20123821068

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1015739}}^1$

素因数の和:1015886

約数の個数: 48

約数和(自身を含む): 50965770240

約数和(自身を除く): 30841949172

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 127, 156, 254, 381, 508, 762, 1524, 1651, 3302, 4953, 6604, 9906, 19812, 1015739, 2031478, 3047217, 4062956, 6094434, 12188868, 13204607, 26409214, 39613821, 52818428, 79227642, 128998853, 158455284, 257997706, 386996559, 515995412, 773993118, 1547986236, 1676985089, 3353970178, 5030955267, 6707940356, 10061910534, 20123821068]

約数ペア:

[(1, 20123821068), (2, 10061910534), (3, 6707940356), (4, 5030955267), (6, 3353970178), (12, 1676985089), (13, 1547986236), (26, 773993118), (39, 515995412), (52, 386996559), (78, 257997706), (127, 158455284), (156, 128998853), (254, 79227642), (381, 52818428), (508, 39613821), (762, 26409214), (1524, 13204607), (1651, 12188868), (3302, 6094434), (4953, 4062956), (6604, 3047217), (9906, 2031478), (19812, 1015739)]