20128643132

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{383}}^1\times {\mathrm{3229}}^1$

素因数の和:3942

約数の個数: 48

約数和(自身を含む): 38167127040

約数和(自身を除く): 18038483908

約数列:

[1, 2, 4, 13, 26, 52, 313, 383, 626, 766, 1252, 1532, 3229, 4069, 4979, 6458, 8138, 9958, 12916, 16276, 19916, 41977, 83954, 119879, 167908, 239758, 479516, 1010677, 1236707, 1558427, 2021354, 2473414, 3116854, 4042708, 4946828, 6233708, 13138801, 16077191, 26277602, 32154382, 52555204, 64308764, 387089291, 774178582, 1548357164, 5032160783, 10064321566, 20128643132]

約数ペア:

[(1, 20128643132), (2, 10064321566), (4, 5032160783), (13, 1548357164), (26, 774178582), (52, 387089291), (313, 64308764), (383, 52555204), (626, 32154382), (766, 26277602), (1252, 16077191), (1532, 13138801), (3229, 6233708), (4069, 4946828), (4979, 4042708), (6458, 3116854), (8138, 2473414), (9958, 2021354), (12916, 1558427), (16276, 1236707), (19916, 1010677), (41977, 479516), (83954, 239758), (119879, 167908)]