20174271472

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1\times {\mathrm{1109}}^1$

素因数の和:1490

約数の個数: 80

約数和(自身を含む): 40533878880

約数和(自身を除く): 20359607408

約数列:

[1, 2, 4, 8, 16, 43, 86, 137, 172, 193, 274, 344, 386, 548, 688, 772, 1096, 1109, 1544, 2192, 2218, 3088, 4436, 5891, 8299, 8872, 11782, 16598, 17744, 23564, 26441, 33196, 47128, 47687, 52882, 66392, 94256, 95374, 105764, 132784, 151933, 190748, 211528, 214037, 303866, 381496, 423056, 428074, 607732, 762992, 856148, 1136963, 1215464, 1712296, 2273926, 2430928, 3424592, 4547852, 6533119, 9095704, 9203591, 13066238, 18191408, 18407182, 26132476, 29323069, 36814364, 52264952, 58646138, 73628728, 104529904, 117292276, 147257456, 234584552, 469169104, 1260891967, 2521783934, 5043567868, 10087135736, 20174271472]

約数ペア:

[(1, 20174271472), (2, 10087135736), (4, 5043567868), (8, 2521783934), (16, 1260891967), (43, 469169104), (86, 234584552), (137, 147257456), (172, 117292276), (193, 104529904), (274, 73628728), (344, 58646138), (386, 52264952), (548, 36814364), (688, 29323069), (772, 26132476), (1096, 18407182), (1109, 18191408), (1544, 13066238), (2192, 9203591), (2218, 9095704), (3088, 6533119), (4436, 4547852), (5891, 3424592), (8299, 2430928), (8872, 2273926), (11782, 1712296), (16598, 1215464), (17744, 1136963), (23564, 856148), (26441, 762992), (33196, 607732), (47128, 428074), (47687, 423056), (52882, 381496), (66392, 303866), (94256, 214037), (95374, 211528), (105764, 190748), (132784, 151933)]