20847376

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3821}}^1$

素因数の和:3871

約数の個数: 40

約数和(自身を含む): 45497088

約数和(自身を除く): 24649712

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 124, 176, 248, 341, 496, 682, 1364, 2728, 3821, 5456, 7642, 15284, 30568, 42031, 61136, 84062, 118451, 168124, 236902, 336248, 473804, 672496, 947608, 1302961, 1895216, 2605922, 5211844, 10423688, 20847376]

約数ペア:

[(1, 20847376), (2, 10423688), (4, 5211844), (8, 2605922), (11, 1895216), (16, 1302961), (22, 947608), (31, 672496), (44, 473804), (62, 336248), (88, 236902), (124, 168124), (176, 118451), (248, 84062), (341, 61136), (496, 42031), (682, 30568), (1364, 15284), (2728, 7642), (3821, 5456)]