20573459600

素因数分解:

$2^4\times 5^2\times {\mathrm{1481}}^1\times {\mathrm{34729}}^1$

素因数の和:36228

約数の個数: 60

約数和(自身を含む): 49462535460

約数和(自身を除く): 28889075860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 1481, 2962, 5924, 7405, 11848, 14810, 23696, 29620, 34729, 37025, 59240, 69458, 74050, 118480, 138916, 148100, 173645, 277832, 296200, 347290, 555664, 592400, 694580, 868225, 1389160, 1736450, 2778320, 3472900, 6945800, 13891600, 51433649, 102867298, 205734596, 257168245, 411469192, 514336490, 822938384, 1028672980, 1285841225, 2057345960, 2571682450, 4114691920, 5143364900, 10286729800, 20573459600]

約数ペア:

[(1, 20573459600), (2, 10286729800), (4, 5143364900), (5, 4114691920), (8, 2571682450), (10, 2057345960), (16, 1285841225), (20, 1028672980), (25, 822938384), (40, 514336490), (50, 411469192), (80, 257168245), (100, 205734596), (200, 102867298), (400, 51433649), (1481, 13891600), (2962, 6945800), (5924, 3472900), (7405, 2778320), (11848, 1736450), (14810, 1389160), (23696, 868225), (29620, 694580), (34729, 592400), (37025, 555664), (59240, 347290), (69458, 296200), (74050, 277832), (118480, 173645), (138916, 148100)]