20913978

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{379}}^1\times {\mathrm{541}}^1$

素因数の和:942

約数の個数: 32

約数和(自身を含む): 44487360

約数和(自身を除く): 23573382

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 379, 541, 758, 1082, 1137, 1623, 2274, 3246, 6443, 9197, 12886, 18394, 19329, 27591, 38658, 55182, 205039, 410078, 615117, 1230234, 3485663, 6971326, 10456989, 20913978]

約数ペア:

[(1, 20913978), (2, 10456989), (3, 6971326), (6, 3485663), (17, 1230234), (34, 615117), (51, 410078), (102, 205039), (379, 55182), (541, 38658), (758, 27591), (1082, 19329), (1137, 18394), (1623, 12886), (2274, 9197), (3246, 6443)]