20187399726

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2331647}}^1$

素因数の和:2331705

約数の個数: 48

約数和(自身を含む): 48377032704

約数和(自身を除く): 28189632978

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 37, 39, 74, 78, 111, 117, 222, 234, 333, 481, 666, 962, 1443, 2886, 4329, 8658, 2331647, 4663294, 6994941, 13989882, 20984823, 30311411, 41969646, 60622822, 86270939, 90934233, 172541878, 181868466, 258812817, 272802699, 517625634, 545605398, 776438451, 1121522207, 1552876902, 2243044414, 3364566621, 6729133242, 10093699863, 20187399726]

約数ペア:

[(1, 20187399726), (2, 10093699863), (3, 6729133242), (6, 3364566621), (9, 2243044414), (13, 1552876902), (18, 1121522207), (26, 776438451), (37, 545605398), (39, 517625634), (74, 272802699), (78, 258812817), (111, 181868466), (117, 172541878), (222, 90934233), (234, 86270939), (333, 60622822), (481, 41969646), (666, 30311411), (962, 20984823), (1443, 13989882), (2886, 6994941), (4329, 4663294), (8658, 2331647)]