20925992

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4441}}^1$

素因数の和:4497

約数の個数: 32

約数和(自身を含む): 42643200

約数和(自身を除く): 21717208

約数列:

[1, 2, 4, 8, 19, 31, 38, 62, 76, 124, 152, 248, 589, 1178, 2356, 4441, 4712, 8882, 17764, 35528, 84379, 137671, 168758, 275342, 337516, 550684, 675032, 1101368, 2615749, 5231498, 10462996, 20925992]

約数ペア:

[(1, 20925992), (2, 10462996), (4, 5231498), (8, 2615749), (19, 1101368), (31, 675032), (38, 550684), (62, 337516), (76, 275342), (124, 168758), (152, 137671), (248, 84379), (589, 35528), (1178, 17764), (2356, 8882), (4441, 4712)]