20228469616

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{20725891}}^1$

素因数の和:20725960

約数の個数: 20

約数和(自身を含む): 39835164424

約数和(自身を除く): 19606694808

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 20725891, 41451782, 82903564, 165807128, 331614256, 1264279351, 2528558702, 5057117404, 10114234808, 20228469616]

約数ペア:

[(1, 20228469616), (2, 10114234808), (4, 5057117404), (8, 2528558702), (16, 1264279351), (61, 331614256), (122, 165807128), (244, 82903564), (488, 41451782), (976, 20725891)]