20581648

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{44357}}^1$

素因数の和:44394

約数の個数: 20

約数和(自身を含む): 41252940

約数和(自身を除く): 20671292

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 44357, 88714, 177428, 354856, 709712, 1286353, 2572706, 5145412, 10290824, 20581648]

約数ペア:

[(1, 20581648), (2, 10290824), (4, 5145412), (8, 2572706), (16, 1286353), (29, 709712), (58, 354856), (116, 177428), (232, 88714), (464, 44357)]