20180199408

素因数分解:

$2^4\times 3^1\times {\mathrm{6553}}^1\times {\mathrm{64157}}^1$

素因数の和:70721

約数の個数: 40

約数和(自身を含む): 52140949968

約数和(自身を除く): 31960750560

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 6553, 13106, 19659, 26212, 39318, 52424, 64157, 78636, 104848, 128314, 157272, 192471, 256628, 314544, 384942, 513256, 769884, 1026512, 1539768, 3079536, 420420821, 840841642, 1261262463, 1681683284, 2522524926, 3363366568, 5045049852, 6726733136, 10090099704, 20180199408]

約数ペア:

[(1, 20180199408), (2, 10090099704), (3, 6726733136), (4, 5045049852), (6, 3363366568), (8, 2522524926), (12, 1681683284), (16, 1261262463), (24, 840841642), (48, 420420821), (6553, 3079536), (13106, 1539768), (19659, 1026512), (26212, 769884), (39318, 513256), (52424, 384942), (64157, 314544), (78636, 256628), (104848, 192471), (128314, 157272)]