20819292

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{421}}^1$

素因数の和:758

約数の個数: 48

約数和(自身を含む): 52604832

約数和(自身を除く): 31785540

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 317, 421, 634, 842, 951, 1263, 1268, 1684, 1902, 2526, 3804, 4121, 5052, 5473, 8242, 10946, 12363, 16419, 16484, 21892, 24726, 32838, 49452, 65676, 133457, 266914, 400371, 533828, 800742, 1601484, 1734941, 3469882, 5204823, 6939764, 10409646, 20819292]

約数ペア:

[(1, 20819292), (2, 10409646), (3, 6939764), (4, 5204823), (6, 3469882), (12, 1734941), (13, 1601484), (26, 800742), (39, 533828), (52, 400371), (78, 266914), (156, 133457), (317, 65676), (421, 49452), (634, 32838), (842, 24726), (951, 21892), (1263, 16484), (1268, 16419), (1684, 12363), (1902, 10946), (2526, 8242), (3804, 5473), (4121, 5052)]