16643820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3907}}^1$

素因数の和:3990

約数の個数: 48

約数和(自身を含む): 47271168

約数和(自身を除く): 30627348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 3907, 4260, 7814, 11721, 15628, 19535, 23442, 39070, 46884, 58605, 78140, 117210, 234420, 277397, 554794, 832191, 1109588, 1386985, 1664382, 2773970, 3328764, 4160955, 5547940, 8321910, 16643820]

約数ペア:

[(1, 16643820), (2, 8321910), (3, 5547940), (4, 4160955), (5, 3328764), (6, 2773970), (10, 1664382), (12, 1386985), (15, 1109588), (20, 832191), (30, 554794), (60, 277397), (71, 234420), (142, 117210), (213, 78140), (284, 58605), (355, 46884), (426, 39070), (710, 23442), (852, 19535), (1065, 15628), (1420, 11721), (2130, 7814), (3907, 4260)]