20405720076

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{89939}}^1$

素因数の和:90063

約数の個数: 96

約数和(自身を含む): 56652126720

約数和(自身を除く): 36246406644

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 73, 74, 84, 111, 146, 148, 219, 222, 259, 292, 438, 444, 511, 518, 777, 876, 1022, 1036, 1533, 1554, 2044, 2701, 3066, 3108, 5402, 6132, 8103, 10804, 16206, 18907, 32412, 37814, 56721, 75628, 89939, 113442, 179878, 226884, 269817, 359756, 539634, 629573, 1079268, 1259146, 1888719, 2518292, 3327743, 3777438, 6565547, 6655486, 7554876, 9983229, 13131094, 13310972, 19696641, 19966458, 23294201, 26262188, 39393282, 39932916, 45958829, 46588402, 69882603, 78786564, 91917658, 93176804, 137876487, 139765206, 183835316, 242925239, 275752974, 279530412, 485850478, 551505948, 728775717, 971700956, 1457551434, 1700476673, 2915102868, 3400953346, 5101430019, 6801906692, 10202860038, 20405720076]

約数ペア:

[(1, 20405720076), (2, 10202860038), (3, 6801906692), (4, 5101430019), (6, 3400953346), (7, 2915102868), (12, 1700476673), (14, 1457551434), (21, 971700956), (28, 728775717), (37, 551505948), (42, 485850478), (73, 279530412), (74, 275752974), (84, 242925239), (111, 183835316), (146, 139765206), (148, 137876487), (219, 93176804), (222, 91917658), (259, 78786564), (292, 69882603), (438, 46588402), (444, 45958829), (511, 39932916), (518, 39393282), (777, 26262188), (876, 23294201), (1022, 19966458), (1036, 19696641), (1533, 13310972), (1554, 13131094), (2044, 9983229), (2701, 7554876), (3066, 6655486), (3108, 6565547), (5402, 3777438), (6132, 3327743), (8103, 2518292), (10804, 1888719), (16206, 1259146), (18907, 1079268), (32412, 629573), (37814, 539634), (56721, 359756), (75628, 269817), (89939, 226884), (113442, 179878)]