20512019970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{25153}}^1$

素因数の和:25237

約数の個数: 192

約数和(自身を含む): 62297805024

約数和(自身を除く): 41785785054

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 17, 18, 26, 30, 34, 39, 41, 45, 51, 65, 78, 82, 85, 90, 102, 117, 123, 130, 153, 170, 195, 205, 221, 234, 246, 255, 306, 369, 390, 410, 442, 510, 533, 585, 615, 663, 697, 738, 765, 1066, 1105, 1170, 1230, 1326, 1394, 1530, 1599, 1845, 1989, 2091, 2210, 2665, 3198, 3315, 3485, 3690, 3978, 4182, 4797, 5330, 6273, 6630, 6970, 7995, 9061, 9594, 9945, 10455, 12546, 15990, 18122, 19890, 20910, 23985, 25153, 27183, 31365, 45305, 47970, 50306, 54366, 62730, 75459, 81549, 90610, 125765, 135915, 150918, 163098, 226377, 251530, 271830, 326989, 377295, 407745, 427601, 452754, 653978, 754590, 815490, 855202, 980967, 1031273, 1131885, 1282803, 1634945, 1961934, 2062546, 2138005, 2263770, 2565606, 2942901, 3093819, 3269890, 3848409, 4276010, 4904835, 5156365, 5558813, 5885802, 6187638, 6414015, 7696818, 9281457, 9809670, 10312730, 11117626, 12828030, 13406549, 14714505, 15469095, 16676439, 17531641, 18562914, 19242045, 26813098, 27794065, 29429010, 30938190, 33352878, 35063282, 38484090, 40219647, 46407285, 50029317, 52594923, 55588130, 67032745, 80439294, 83382195, 87658205, 92814570, 100058634, 105189846, 120658941, 134065490, 157784769, 166764390, 175316410, 201098235, 227911333, 241317882, 250146585, 262974615, 315569538, 402196470, 455822666, 500293170, 525949230, 603294705, 683733999, 788923845, 1139556665, 1206589410, 1367467998, 1577847690, 2051201997, 2279113330, 3418669995, 4102403994, 6837339990, 10256009985, 20512019970]

約数ペア:

[(1, 20512019970), (2, 10256009985), (3, 6837339990), (5, 4102403994), (6, 3418669995), (9, 2279113330), (10, 2051201997), (13, 1577847690), (15, 1367467998), (17, 1206589410), (18, 1139556665), (26, 788923845), (30, 683733999), (34, 603294705), (39, 525949230), (41, 500293170), (45, 455822666), (51, 402196470), (65, 315569538), (78, 262974615), (82, 250146585), (85, 241317882), (90, 227911333), (102, 201098235), (117, 175316410), (123, 166764390), (130, 157784769), (153, 134065490), (170, 120658941), (195, 105189846), (205, 100058634), (221, 92814570), (234, 87658205), (246, 83382195), (255, 80439294), (306, 67032745), (369, 55588130), (390, 52594923), (410, 50029317), (442, 46407285), (510, 40219647), (533, 38484090), (585, 35063282), (615, 33352878), (663, 30938190), (697, 29429010), (738, 27794065), (765, 26813098), (1066, 19242045), (1105, 18562914), (1170, 17531641), (1230, 16676439), (1326, 15469095), (1394, 14714505), (1530, 13406549), (1599, 12828030), (1845, 11117626), (1989, 10312730), (2091, 9809670), (2210, 9281457), (2665, 7696818), (3198, 6414015), (3315, 6187638), (3485, 5885802), (3690, 5558813), (3978, 5156365), (4182, 4904835), (4797, 4276010), (5330, 3848409), (6273, 3269890), (6630, 3093819), (6970, 2942901), (7995, 2565606), (9061, 2263770), (9594, 2138005), (9945, 2062546), (10455, 1961934), (12546, 1634945), (15990, 1282803), (18122, 1131885), (19890, 1031273), (20910, 980967), (23985, 855202), (25153, 815490), (27183, 754590), (31365, 653978), (45305, 452754), (47970, 427601), (50306, 407745), (54366, 377295), (62730, 326989), (75459, 271830), (81549, 251530), (90610, 226377), (125765, 163098), (135915, 150918)]