20518372216

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{328357}}^1$

素因数の和:328543

約数の個数: 32

約数和(自身を含む): 39363557040

約数和(自身を除く): 18845184824

約数列:

[1, 2, 4, 8, 73, 107, 146, 214, 292, 428, 584, 856, 7811, 15622, 31244, 62488, 328357, 656714, 1313428, 2626856, 23970061, 35134199, 47940122, 70268398, 95880244, 140536796, 191760488, 281073592, 2564796527, 5129593054, 10259186108, 20518372216]

約数ペア:

[(1, 20518372216), (2, 10259186108), (4, 5129593054), (8, 2564796527), (73, 281073592), (107, 191760488), (146, 140536796), (214, 95880244), (292, 70268398), (428, 47940122), (584, 35134199), (856, 23970061), (7811, 2626856), (15622, 1313428), (31244, 656714), (62488, 328357)]