20680488

素因数分解:

$2^3\times 3^3\times {\mathrm{67}}^1\times {\mathrm{1429}}^1$

素因数の和:1511

約数の個数: 64

約数和(自身を含む): 58344000

約数和(自身を除く): 37663512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 67, 72, 108, 134, 201, 216, 268, 402, 536, 603, 804, 1206, 1429, 1608, 1809, 2412, 2858, 3618, 4287, 4824, 5716, 7236, 8574, 11432, 12861, 14472, 17148, 25722, 34296, 38583, 51444, 77166, 95743, 102888, 154332, 191486, 287229, 308664, 382972, 574458, 765944, 861687, 1148916, 1723374, 2297832, 2585061, 3446748, 5170122, 6893496, 10340244, 20680488]

約数ペア:

[(1, 20680488), (2, 10340244), (3, 6893496), (4, 5170122), (6, 3446748), (8, 2585061), (9, 2297832), (12, 1723374), (18, 1148916), (24, 861687), (27, 765944), (36, 574458), (54, 382972), (67, 308664), (72, 287229), (108, 191486), (134, 154332), (201, 102888), (216, 95743), (268, 77166), (402, 51444), (536, 38583), (603, 34296), (804, 25722), (1206, 17148), (1429, 14472), (1608, 12861), (1809, 11432), (2412, 8574), (2858, 7236), (3618, 5716), (4287, 4824)]