20353104

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:249

約数の個数: 120

約数和(自身を含む): 61707360

約数和(自身を除く): 41354256

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 43, 48, 57, 72, 76, 86, 114, 129, 144, 152, 171, 172, 173, 228, 258, 304, 342, 344, 346, 387, 456, 516, 519, 684, 688, 692, 774, 817, 912, 1032, 1038, 1368, 1384, 1548, 1557, 1634, 2064, 2076, 2451, 2736, 2768, 3096, 3114, 3268, 3287, 4152, 4902, 6192, 6228, 6536, 6574, 7353, 7439, 8304, 9804, 9861, 12456, 13072, 13148, 14706, 14878, 19608, 19722, 22317, 24912, 26296, 29412, 29583, 29756, 39216, 39444, 44634, 52592, 58824, 59166, 59512, 66951, 78888, 89268, 117648, 118332, 119024, 133902, 141341, 157776, 178536, 236664, 267804, 282682, 357072, 424023, 473328, 535608, 565364, 848046, 1071216, 1130728, 1272069, 1696092, 2261456, 2544138, 3392184, 5088276, 6784368, 10176552, 20353104]

約数ペア:

[(1, 20353104), (2, 10176552), (3, 6784368), (4, 5088276), (6, 3392184), (8, 2544138), (9, 2261456), (12, 1696092), (16, 1272069), (18, 1130728), (19, 1071216), (24, 848046), (36, 565364), (38, 535608), (43, 473328), (48, 424023), (57, 357072), (72, 282682), (76, 267804), (86, 236664), (114, 178536), (129, 157776), (144, 141341), (152, 133902), (171, 119024), (172, 118332), (173, 117648), (228, 89268), (258, 78888), (304, 66951), (342, 59512), (344, 59166), (346, 58824), (387, 52592), (456, 44634), (516, 39444), (519, 39216), (684, 29756), (688, 29583), (692, 29412), (774, 26296), (817, 24912), (912, 22317), (1032, 19722), (1038, 19608), (1368, 14878), (1384, 14706), (1548, 13148), (1557, 13072), (1634, 12456), (2064, 9861), (2076, 9804), (2451, 8304), (2736, 7439), (2768, 7353), (3096, 6574), (3114, 6536), (3268, 6228), (3287, 6192), (4152, 4902)]