20726460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1019}}^1$

素因数の和:1147

約数の個数: 72

約数和(自身を含む): 63488880

約数和(自身を除く): 42762420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 113, 180, 226, 339, 452, 565, 678, 1017, 1019, 1130, 1356, 1695, 2034, 2038, 2260, 3057, 3390, 4068, 4076, 5085, 5095, 6114, 6780, 9171, 10170, 10190, 12228, 15285, 18342, 20340, 20380, 30570, 36684, 45855, 61140, 91710, 115147, 183420, 230294, 345441, 460588, 575735, 690882, 1036323, 1151470, 1381764, 1727205, 2072646, 2302940, 3454410, 4145292, 5181615, 6908820, 10363230, 20726460]

約数ペア:

[(1, 20726460), (2, 10363230), (3, 6908820), (4, 5181615), (5, 4145292), (6, 3454410), (9, 2302940), (10, 2072646), (12, 1727205), (15, 1381764), (18, 1151470), (20, 1036323), (30, 690882), (36, 575735), (45, 460588), (60, 345441), (90, 230294), (113, 183420), (180, 115147), (226, 91710), (339, 61140), (452, 45855), (565, 36684), (678, 30570), (1017, 20380), (1019, 20340), (1130, 18342), (1356, 15285), (1695, 12228), (2034, 10190), (2038, 10170), (2260, 9171), (3057, 6780), (3390, 6114), (4068, 5095), (4076, 5085)]