2020027156

素因数分解:

$2^2\times 7^3\times {\mathrm{79}}^1\times {\mathrm{18637}}^1$

素因数の和:18741

約数の個数: 48

約数和(自身を含む): 4174912000

約数和(自身を除く): 2154884844

約数列:

[1, 2, 4, 7, 14, 28, 49, 79, 98, 158, 196, 316, 343, 553, 686, 1106, 1372, 2212, 3871, 7742, 15484, 18637, 27097, 37274, 54194, 74548, 108388, 130459, 260918, 521836, 913213, 1472323, 1826426, 2944646, 3652852, 5889292, 6392491, 10306261, 12784982, 20612522, 25569964, 41225044, 72143827, 144287654, 288575308, 505006789, 1010013578, 2020027156]

約数ペア:

[(1, 2020027156), (2, 1010013578), (4, 505006789), (7, 288575308), (14, 144287654), (28, 72143827), (49, 41225044), (79, 25569964), (98, 20612522), (158, 12784982), (196, 10306261), (316, 6392491), (343, 5889292), (553, 3652852), (686, 2944646), (1106, 1826426), (1372, 1472323), (2212, 913213), (3871, 521836), (7742, 260918), (15484, 130459), (18637, 108388), (27097, 74548), (37274, 54194)]