20251686

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1279}}^1$

素因数の和:1333

約数の個数: 64

約数和(自身を含む): 51609600

約数和(自身を除く): 31357914

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 29, 39, 42, 58, 78, 87, 91, 174, 182, 203, 273, 377, 406, 546, 609, 754, 1131, 1218, 1279, 2262, 2558, 2639, 3837, 5278, 7674, 7917, 8953, 15834, 16627, 17906, 26859, 33254, 37091, 49881, 53718, 74182, 99762, 111273, 116389, 222546, 232778, 259637, 349167, 482183, 519274, 698334, 778911, 964366, 1446549, 1557822, 2893098, 3375281, 6750562, 10125843, 20251686]

約数ペア:

[(1, 20251686), (2, 10125843), (3, 6750562), (6, 3375281), (7, 2893098), (13, 1557822), (14, 1446549), (21, 964366), (26, 778911), (29, 698334), (39, 519274), (42, 482183), (58, 349167), (78, 259637), (87, 232778), (91, 222546), (174, 116389), (182, 111273), (203, 99762), (273, 74182), (377, 53718), (406, 49881), (546, 37091), (609, 33254), (754, 26859), (1131, 17906), (1218, 16627), (1279, 15834), (2262, 8953), (2558, 7917), (2639, 7674), (3837, 5278)]