20216340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3623}}^1$

素因数の和:3669

約数の個数: 72

約数和(自身を含む): 63318528

約数和(自身を除く): 43102188

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 3623, 5580, 7246, 10869, 14492, 18115, 21738, 32607, 36230, 43476, 54345, 65214, 72460, 108690, 112313, 130428, 163035, 217380, 224626, 326070, 336939, 449252, 561565, 652140, 673878, 1010817, 1123130, 1347756, 1684695, 2021634, 2246260, 3369390, 4043268, 5054085, 6738780, 10108170, 20216340]

約数ペア:

[(1, 20216340), (2, 10108170), (3, 6738780), (4, 5054085), (5, 4043268), (6, 3369390), (9, 2246260), (10, 2021634), (12, 1684695), (15, 1347756), (18, 1123130), (20, 1010817), (30, 673878), (31, 652140), (36, 561565), (45, 449252), (60, 336939), (62, 326070), (90, 224626), (93, 217380), (124, 163035), (155, 130428), (180, 112313), (186, 108690), (279, 72460), (310, 65214), (372, 54345), (465, 43476), (558, 36230), (620, 32607), (930, 21738), (1116, 18115), (1395, 14492), (1860, 10869), (2790, 7246), (3623, 5580)]