20822720

素因数分解:

$2^6\times 5^1\times {\mathrm{65071}}^1$

素因数の和:65088

約数の個数: 28

約数和(自身を含む): 49584864

約数和(自身を除く): 28762144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 65071, 130142, 260284, 325355, 520568, 650710, 1041136, 1301420, 2082272, 2602840, 4164544, 5205680, 10411360, 20822720]

約数ペア:

[(1, 20822720), (2, 10411360), (4, 5205680), (5, 4164544), (8, 2602840), (10, 2082272), (16, 1301420), (20, 1041136), (32, 650710), (40, 520568), (64, 325355), (80, 260284), (160, 130142), (320, 65071)]