20121493412

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{677}}^1\times {\mathrm{1427}}^1$

素因数の和:2276

約数の個数: 48

約数和(自身を含む): 36434700288

約数和(自身を除く): 16313206876

約数列:

[1, 2, 4, 41, 82, 127, 164, 254, 508, 677, 1354, 1427, 2708, 2854, 5207, 5708, 10414, 20828, 27757, 55514, 58507, 85979, 111028, 117014, 171958, 181229, 234028, 343916, 362458, 724916, 966079, 1932158, 3525139, 3864316, 7050278, 7430389, 14100556, 14860778, 29721556, 39609239, 79218478, 122692033, 158436956, 245384066, 490768132, 5030373353, 10060746706, 20121493412]

約数ペア:

[(1, 20121493412), (2, 10060746706), (4, 5030373353), (41, 490768132), (82, 245384066), (127, 158436956), (164, 122692033), (254, 79218478), (508, 39609239), (677, 29721556), (1354, 14860778), (1427, 14100556), (2708, 7430389), (2854, 7050278), (5207, 3864316), (5708, 3525139), (10414, 1932158), (20828, 966079), (27757, 724916), (55514, 362458), (58507, 343916), (85979, 234028), (111028, 181229), (117014, 171958)]