20177884556

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{20021}}^1$

素因数の和:20282

約数の個数: 48

約数和(自身を含む): 37841580000

約数和(自身を除く): 17663695444

約数列:

[1, 2, 4, 19, 38, 76, 89, 149, 178, 298, 356, 596, 1691, 2831, 3382, 5662, 6764, 11324, 13261, 20021, 26522, 40042, 53044, 80084, 251959, 380399, 503918, 760798, 1007836, 1521596, 1781869, 2983129, 3563738, 5966258, 7127476, 11932516, 33855511, 56679451, 67711022, 113358902, 135422044, 226717804, 265498481, 530996962, 1061993924, 5044471139, 10088942278, 20177884556]

約数ペア:

[(1, 20177884556), (2, 10088942278), (4, 5044471139), (19, 1061993924), (38, 530996962), (76, 265498481), (89, 226717804), (149, 135422044), (178, 113358902), (298, 67711022), (356, 56679451), (596, 33855511), (1691, 11932516), (2831, 7127476), (3382, 5966258), (5662, 3563738), (6764, 2983129), (11324, 1781869), (13261, 1521596), (20021, 1007836), (26522, 760798), (40042, 503918), (53044, 380399), (80084, 251959)]