20782840260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{53611}}^1$

素因数の和:53714

約数の個数: 192

約数和(自身を含む): 72630964224

約数和(自身を除く): 51848123964

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 71, 78, 84, 91, 105, 130, 140, 142, 156, 182, 195, 210, 213, 260, 273, 284, 355, 364, 390, 420, 426, 455, 497, 546, 710, 780, 852, 910, 923, 994, 1065, 1092, 1365, 1420, 1491, 1820, 1846, 1988, 2130, 2485, 2730, 2769, 2982, 3692, 4260, 4615, 4970, 5460, 5538, 5964, 6461, 7455, 9230, 9940, 11076, 12922, 13845, 14910, 18460, 19383, 25844, 27690, 29820, 32305, 38766, 53611, 55380, 64610, 77532, 96915, 107222, 129220, 160833, 193830, 214444, 268055, 321666, 375277, 387660, 536110, 643332, 696943, 750554, 804165, 1072220, 1125831, 1393886, 1501108, 1608330, 1876385, 2090829, 2251662, 2787772, 3216660, 3484715, 3752770, 3806381, 4181658, 4503324, 4878601, 5629155, 6969430, 7505540, 7612762, 8363316, 9757202, 10454145, 11258310, 11419143, 13938860, 14635803, 15225524, 19031905, 19514404, 20908290, 22516620, 22838286, 24393005, 26644667, 29271606, 38063810, 41816580, 45676572, 48786010, 49482953, 53289334, 57095715, 58543212, 73179015, 76127620, 79934001, 97572020, 98965906, 106578668, 114191430, 133223335, 146358030, 148448859, 159868002, 197931812, 228382860, 247414765, 266446670, 292716060, 296897718, 319736004, 346380671, 399670005, 494829530, 532893340, 593795436, 692761342, 742244295, 799340010, 989659060, 1039142013, 1385522684, 1484488590, 1598680020, 1731903355, 2078284026, 2968977180, 3463806710, 4156568052, 5195710065, 6927613420, 10391420130, 20782840260]

約数ペア:

[(1, 20782840260), (2, 10391420130), (3, 6927613420), (4, 5195710065), (5, 4156568052), (6, 3463806710), (7, 2968977180), (10, 2078284026), (12, 1731903355), (13, 1598680020), (14, 1484488590), (15, 1385522684), (20, 1039142013), (21, 989659060), (26, 799340010), (28, 742244295), (30, 692761342), (35, 593795436), (39, 532893340), (42, 494829530), (52, 399670005), (60, 346380671), (65, 319736004), (70, 296897718), (71, 292716060), (78, 266446670), (84, 247414765), (91, 228382860), (105, 197931812), (130, 159868002), (140, 148448859), (142, 146358030), (156, 133223335), (182, 114191430), (195, 106578668), (210, 98965906), (213, 97572020), (260, 79934001), (273, 76127620), (284, 73179015), (355, 58543212), (364, 57095715), (390, 53289334), (420, 49482953), (426, 48786010), (455, 45676572), (497, 41816580), (546, 38063810), (710, 29271606), (780, 26644667), (852, 24393005), (910, 22838286), (923, 22516620), (994, 20908290), (1065, 19514404), (1092, 19031905), (1365, 15225524), (1420, 14635803), (1491, 13938860), (1820, 11419143), (1846, 11258310), (1988, 10454145), (2130, 9757202), (2485, 8363316), (2730, 7612762), (2769, 7505540), (2982, 6969430), (3692, 5629155), (4260, 4878601), (4615, 4503324), (4970, 4181658), (5460, 3806381), (5538, 3752770), (5964, 3484715), (6461, 3216660), (7455, 2787772), (9230, 2251662), (9940, 2090829), (11076, 1876385), (12922, 1608330), (13845, 1501108), (14910, 1393886), (18460, 1125831), (19383, 1072220), (25844, 804165), (27690, 750554), (29820, 696943), (32305, 643332), (38766, 536110), (53611, 387660), (55380, 375277), (64610, 321666), (77532, 268055), (96915, 214444), (107222, 193830), (129220, 160833)]