20627100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:117

約数の個数: 216

約数和(自身を含む): 72984912

約数和(自身を除く): 52357812

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 30, 36, 39, 41, 43, 45, 50, 52, 60, 65, 75, 78, 82, 86, 90, 100, 117, 123, 129, 130, 150, 156, 164, 172, 180, 195, 205, 215, 225, 234, 246, 258, 260, 300, 325, 369, 387, 390, 410, 430, 450, 468, 492, 516, 533, 559, 585, 615, 645, 650, 738, 774, 780, 820, 860, 900, 975, 1025, 1066, 1075, 1118, 1170, 1230, 1290, 1300, 1476, 1548, 1599, 1677, 1763, 1845, 1935, 1950, 2050, 2132, 2150, 2236, 2340, 2460, 2580, 2665, 2795, 2925, 3075, 3198, 3225, 3354, 3526, 3690, 3870, 3900, 4100, 4300, 4797, 5031, 5289, 5330, 5590, 5850, 6150, 6396, 6450, 6708, 7052, 7380, 7740, 7995, 8385, 8815, 9225, 9594, 9675, 10062, 10578, 10660, 11180, 11700, 12300, 12900, 13325, 13975, 15867, 15990, 16770, 17630, 18450, 19188, 19350, 20124, 21156, 22919, 23985, 25155, 26445, 26650, 27950, 31734, 31980, 33540, 35260, 36900, 38700, 39975, 41925, 44075, 45838, 47970, 50310, 52890, 53300, 55900, 63468, 68757, 79335, 79950, 83850, 88150, 91676, 95940, 100620, 105780, 114595, 119925, 125775, 132225, 137514, 158670, 159900, 167700, 176300, 206271, 229190, 239850, 251550, 264450, 275028, 317340, 343785, 396675, 412542, 458380, 479700, 503100, 528900, 572975, 687570, 793350, 825084, 1031355, 1145950, 1375140, 1586700, 1718925, 2062710, 2291900, 3437850, 4125420, 5156775, 6875700, 10313550, 20627100]

約数ペア:

[(1, 20627100), (2, 10313550), (3, 6875700), (4, 5156775), (5, 4125420), (6, 3437850), (9, 2291900), (10, 2062710), (12, 1718925), (13, 1586700), (15, 1375140), (18, 1145950), (20, 1031355), (25, 825084), (26, 793350), (30, 687570), (36, 572975), (39, 528900), (41, 503100), (43, 479700), (45, 458380), (50, 412542), (52, 396675), (60, 343785), (65, 317340), (75, 275028), (78, 264450), (82, 251550), (86, 239850), (90, 229190), (100, 206271), (117, 176300), (123, 167700), (129, 159900), (130, 158670), (150, 137514), (156, 132225), (164, 125775), (172, 119925), (180, 114595), (195, 105780), (205, 100620), (215, 95940), (225, 91676), (234, 88150), (246, 83850), (258, 79950), (260, 79335), (300, 68757), (325, 63468), (369, 55900), (387, 53300), (390, 52890), (410, 50310), (430, 47970), (450, 45838), (468, 44075), (492, 41925), (516, 39975), (533, 38700), (559, 36900), (585, 35260), (615, 33540), (645, 31980), (650, 31734), (738, 27950), (774, 26650), (780, 26445), (820, 25155), (860, 23985), (900, 22919), (975, 21156), (1025, 20124), (1066, 19350), (1075, 19188), (1118, 18450), (1170, 17630), (1230, 16770), (1290, 15990), (1300, 15867), (1476, 13975), (1548, 13325), (1599, 12900), (1677, 12300), (1763, 11700), (1845, 11180), (1935, 10660), (1950, 10578), (2050, 10062), (2132, 9675), (2150, 9594), (2236, 9225), (2340, 8815), (2460, 8385), (2580, 7995), (2665, 7740), (2795, 7380), (2925, 7052), (3075, 6708), (3198, 6450), (3225, 6396), (3354, 6150), (3526, 5850), (3690, 5590), (3870, 5330), (3900, 5289), (4100, 5031), (4300, 4797)]