20996868412

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{1297}}^1\times {\mathrm{311323}}^1$

素因数の和:312637

約数の個数: 24

約数和(自身を含む): 39601658096

約数和(自身を除く): 18604789684

約数列:

[1, 2, 4, 13, 26, 52, 1297, 2594, 5188, 16861, 33722, 67444, 311323, 622646, 1245292, 4047199, 8094398, 16188796, 403785931, 807571862, 1615143724, 5249217103, 10498434206, 20996868412]

約数ペア:

[(1, 20996868412), (2, 10498434206), (4, 5249217103), (13, 1615143724), (26, 807571862), (52, 403785931), (1297, 16188796), (2594, 8094398), (5188, 4047199), (16861, 1245292), (33722, 622646), (67444, 311323)]