20048280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{823}}^1$

素因数の和:873

約数の個数: 128

約数和(自身を含む): 71193600

約数和(自身を除く): 51145320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 29, 30, 35, 40, 42, 56, 58, 60, 70, 84, 87, 105, 116, 120, 140, 145, 168, 174, 203, 210, 232, 280, 290, 348, 406, 420, 435, 580, 609, 696, 812, 823, 840, 870, 1015, 1160, 1218, 1624, 1646, 1740, 2030, 2436, 2469, 3045, 3292, 3480, 4060, 4115, 4872, 4938, 5761, 6090, 6584, 8120, 8230, 9876, 11522, 12180, 12345, 16460, 17283, 19752, 23044, 23867, 24360, 24690, 28805, 32920, 34566, 46088, 47734, 49380, 57610, 69132, 71601, 86415, 95468, 98760, 115220, 119335, 138264, 143202, 167069, 172830, 190936, 230440, 238670, 286404, 334138, 345660, 358005, 477340, 501207, 572808, 668276, 691320, 716010, 835345, 954680, 1002414, 1336552, 1432020, 1670690, 2004828, 2506035, 2864040, 3341380, 4009656, 5012070, 6682760, 10024140, 20048280]

約数ペア:

[(1, 20048280), (2, 10024140), (3, 6682760), (4, 5012070), (5, 4009656), (6, 3341380), (7, 2864040), (8, 2506035), (10, 2004828), (12, 1670690), (14, 1432020), (15, 1336552), (20, 1002414), (21, 954680), (24, 835345), (28, 716010), (29, 691320), (30, 668276), (35, 572808), (40, 501207), (42, 477340), (56, 358005), (58, 345660), (60, 334138), (70, 286404), (84, 238670), (87, 230440), (105, 190936), (116, 172830), (120, 167069), (140, 143202), (145, 138264), (168, 119335), (174, 115220), (203, 98760), (210, 95468), (232, 86415), (280, 71601), (290, 69132), (348, 57610), (406, 49380), (420, 47734), (435, 46088), (580, 34566), (609, 32920), (696, 28805), (812, 24690), (823, 24360), (840, 23867), (870, 23044), (1015, 19752), (1160, 17283), (1218, 16460), (1624, 12345), (1646, 12180), (1740, 11522), (2030, 9876), (2436, 8230), (2469, 8120), (3045, 6584), (3292, 6090), (3480, 5761), (4060, 4938), (4115, 4872)]