20974652

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{659}}^1$

素因数の和:845

約数の個数: 24

約数和(自身を含む): 37606800

約数和(自身を除く): 16632148

約数列:

[1, 2, 4, 73, 109, 146, 218, 292, 436, 659, 1318, 2636, 7957, 15914, 31828, 48107, 71831, 96214, 143662, 192428, 287324, 5243663, 10487326, 20974652]

約数ペア:

[(1, 20974652), (2, 10487326), (4, 5243663), (73, 287324), (109, 192428), (146, 143662), (218, 96214), (292, 71831), (436, 48107), (659, 31828), (1318, 15914), (2636, 7957)]