20072868472

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{279131}}^1$

素因数の和:279327

約数の個数: 32

約数和(自身を含む): 38436476400

約数和(自身を除く): 18363607928

約数列:

[1, 2, 4, 8, 89, 101, 178, 202, 356, 404, 712, 808, 8989, 17978, 35956, 71912, 279131, 558262, 1116524, 2233048, 24842659, 28192231, 49685318, 56384462, 99370636, 112768924, 198741272, 225537848, 2509108559, 5018217118, 10036434236, 20072868472]

約数ペア:

[(1, 20072868472), (2, 10036434236), (4, 5018217118), (8, 2509108559), (89, 225537848), (101, 198741272), (178, 112768924), (202, 99370636), (356, 56384462), (404, 49685318), (712, 28192231), (808, 24842659), (8989, 2233048), (17978, 1116524), (35956, 558262), (71912, 279131)]