20175021828

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{188249}}^1$

素因数の和:188501

約数の個数: 72

約数和(自身を含む): 55161015000

約数和(自身を除く): 34985993172

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 229, 234, 458, 468, 687, 916, 1374, 2061, 2748, 2977, 4122, 5954, 8244, 8931, 11908, 17862, 26793, 35724, 53586, 107172, 188249, 376498, 564747, 752996, 1129494, 1694241, 2258988, 2447237, 3388482, 4894474, 6776964, 7341711, 9788948, 14683422, 22025133, 29366844, 43109021, 44050266, 86218042, 88100532, 129327063, 172436084, 258654126, 387981189, 517308252, 560417273, 775962378, 1120834546, 1551924756, 1681251819, 2241669092, 3362503638, 5043755457, 6725007276, 10087510914, 20175021828]

約数ペア:

[(1, 20175021828), (2, 10087510914), (3, 6725007276), (4, 5043755457), (6, 3362503638), (9, 2241669092), (12, 1681251819), (13, 1551924756), (18, 1120834546), (26, 775962378), (36, 560417273), (39, 517308252), (52, 387981189), (78, 258654126), (117, 172436084), (156, 129327063), (229, 88100532), (234, 86218042), (458, 44050266), (468, 43109021), (687, 29366844), (916, 22025133), (1374, 14683422), (2061, 9788948), (2748, 7341711), (2977, 6776964), (4122, 4894474), (5954, 3388482), (8244, 2447237), (8931, 2258988), (11908, 1694241), (17862, 1129494), (26793, 752996), (35724, 564747), (53586, 376498), (107172, 188249)]