20371260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{41}}^1$

素因数の和:93

約数の個数: 216

約数和(自身を含む): 73601136

約数和(自身を除く): 53229876

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 41, 42, 49, 52, 60, 65, 70, 78, 82, 84, 91, 98, 105, 123, 130, 140, 147, 156, 164, 169, 182, 195, 196, 205, 210, 245, 246, 260, 273, 287, 294, 338, 364, 390, 410, 420, 455, 490, 492, 507, 533, 546, 574, 588, 615, 637, 676, 735, 780, 820, 845, 861, 910, 980, 1014, 1066, 1092, 1148, 1183, 1230, 1274, 1365, 1435, 1470, 1599, 1690, 1722, 1820, 1911, 2009, 2028, 2132, 2366, 2460, 2535, 2548, 2665, 2730, 2870, 2940, 3185, 3198, 3380, 3444, 3549, 3731, 3822, 4018, 4305, 4732, 5070, 5330, 5460, 5740, 5915, 6027, 6370, 6396, 6929, 7098, 7462, 7644, 7995, 8036, 8281, 8610, 9555, 10045, 10140, 10660, 11193, 11830, 12054, 12740, 13858, 14196, 14924, 15990, 16562, 17220, 17745, 18655, 19110, 20090, 20787, 22386, 23660, 24108, 24843, 26117, 27716, 30135, 31980, 33124, 34645, 35490, 37310, 38220, 40180, 41405, 41574, 44772, 48503, 49686, 52234, 55965, 60270, 69290, 70980, 74620, 78351, 82810, 83148, 97006, 99372, 103935, 104468, 111930, 120540, 124215, 130585, 138580, 145509, 156702, 165620, 194012, 207870, 223860, 242515, 248430, 261170, 291018, 313404, 339521, 391755, 415740, 485030, 496860, 522340, 582036, 679042, 727545, 783510, 970060, 1018563, 1358084, 1455090, 1567020, 1697605, 2037126, 2910180, 3395210, 4074252, 5092815, 6790420, 10185630, 20371260]

約数ペア:

[(1, 20371260), (2, 10185630), (3, 6790420), (4, 5092815), (5, 4074252), (6, 3395210), (7, 2910180), (10, 2037126), (12, 1697605), (13, 1567020), (14, 1455090), (15, 1358084), (20, 1018563), (21, 970060), (26, 783510), (28, 727545), (30, 679042), (35, 582036), (39, 522340), (41, 496860), (42, 485030), (49, 415740), (52, 391755), (60, 339521), (65, 313404), (70, 291018), (78, 261170), (82, 248430), (84, 242515), (91, 223860), (98, 207870), (105, 194012), (123, 165620), (130, 156702), (140, 145509), (147, 138580), (156, 130585), (164, 124215), (169, 120540), (182, 111930), (195, 104468), (196, 103935), (205, 99372), (210, 97006), (245, 83148), (246, 82810), (260, 78351), (273, 74620), (287, 70980), (294, 69290), (338, 60270), (364, 55965), (390, 52234), (410, 49686), (420, 48503), (455, 44772), (490, 41574), (492, 41405), (507, 40180), (533, 38220), (546, 37310), (574, 35490), (588, 34645), (615, 33124), (637, 31980), (676, 30135), (735, 27716), (780, 26117), (820, 24843), (845, 24108), (861, 23660), (910, 22386), (980, 20787), (1014, 20090), (1066, 19110), (1092, 18655), (1148, 17745), (1183, 17220), (1230, 16562), (1274, 15990), (1365, 14924), (1435, 14196), (1470, 13858), (1599, 12740), (1690, 12054), (1722, 11830), (1820, 11193), (1911, 10660), (2009, 10140), (2028, 10045), (2132, 9555), (2366, 8610), (2460, 8281), (2535, 8036), (2548, 7995), (2665, 7644), (2730, 7462), (2870, 7098), (2940, 6929), (3185, 6396), (3198, 6370), (3380, 6027), (3444, 5915), (3549, 5740), (3731, 5460), (3822, 5330), (4018, 5070), (4305, 4732)]