20531160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:178

約数の個数: 192

約数和(自身を含む): 74299680

約数和(自身を除く): 53768520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 41, 45, 52, 60, 65, 72, 78, 82, 90, 104, 107, 117, 120, 123, 130, 156, 164, 180, 195, 205, 214, 234, 246, 260, 312, 321, 328, 360, 369, 390, 410, 428, 468, 492, 520, 533, 535, 585, 615, 642, 738, 780, 820, 856, 936, 963, 984, 1066, 1070, 1170, 1230, 1284, 1391, 1476, 1560, 1599, 1605, 1640, 1845, 1926, 2132, 2140, 2340, 2460, 2568, 2665, 2782, 2952, 3198, 3210, 3690, 3852, 4173, 4264, 4280, 4387, 4680, 4797, 4815, 4920, 5330, 5564, 6396, 6420, 6955, 7380, 7704, 7995, 8346, 8774, 9594, 9630, 10660, 11128, 12519, 12792, 12840, 13161, 13910, 14760, 15990, 16692, 17548, 19188, 19260, 20865, 21320, 21935, 23985, 25038, 26322, 27820, 31980, 33384, 35096, 38376, 38520, 39483, 41730, 43870, 47970, 50076, 52644, 55640, 57031, 62595, 63960, 65805, 78966, 83460, 87740, 95940, 100152, 105288, 114062, 125190, 131610, 157932, 166920, 171093, 175480, 191880, 197415, 228124, 250380, 263220, 285155, 315864, 342186, 394830, 456248, 500760, 513279, 526440, 570310, 684372, 789660, 855465, 1026558, 1140620, 1368744, 1579320, 1710930, 2053116, 2281240, 2566395, 3421860, 4106232, 5132790, 6843720, 10265580, 20531160]

約数ペア:

[(1, 20531160), (2, 10265580), (3, 6843720), (4, 5132790), (5, 4106232), (6, 3421860), (8, 2566395), (9, 2281240), (10, 2053116), (12, 1710930), (13, 1579320), (15, 1368744), (18, 1140620), (20, 1026558), (24, 855465), (26, 789660), (30, 684372), (36, 570310), (39, 526440), (40, 513279), (41, 500760), (45, 456248), (52, 394830), (60, 342186), (65, 315864), (72, 285155), (78, 263220), (82, 250380), (90, 228124), (104, 197415), (107, 191880), (117, 175480), (120, 171093), (123, 166920), (130, 157932), (156, 131610), (164, 125190), (180, 114062), (195, 105288), (205, 100152), (214, 95940), (234, 87740), (246, 83460), (260, 78966), (312, 65805), (321, 63960), (328, 62595), (360, 57031), (369, 55640), (390, 52644), (410, 50076), (428, 47970), (468, 43870), (492, 41730), (520, 39483), (533, 38520), (535, 38376), (585, 35096), (615, 33384), (642, 31980), (738, 27820), (780, 26322), (820, 25038), (856, 23985), (936, 21935), (963, 21320), (984, 20865), (1066, 19260), (1070, 19188), (1170, 17548), (1230, 16692), (1284, 15990), (1391, 14760), (1476, 13910), (1560, 13161), (1599, 12840), (1605, 12792), (1640, 12519), (1845, 11128), (1926, 10660), (2132, 9630), (2140, 9594), (2340, 8774), (2460, 8346), (2568, 7995), (2665, 7704), (2782, 7380), (2952, 6955), (3198, 6420), (3210, 6396), (3690, 5564), (3852, 5330), (4173, 4920), (4264, 4815), (4280, 4797), (4387, 4680)]