20835470

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{577}}^1$

素因数の和:764

約数の個数: 32

約数和(自身を含む): 39451968

約数和(自身を除く): 18616498

約数列:

[1, 2, 5, 10, 23, 46, 115, 157, 230, 314, 577, 785, 1154, 1570, 2885, 3611, 5770, 7222, 13271, 18055, 26542, 36110, 66355, 90589, 132710, 181178, 452945, 905890, 2083547, 4167094, 10417735, 20835470]

約数ペア:

[(1, 20835470), (2, 10417735), (5, 4167094), (10, 2083547), (23, 905890), (46, 452945), (115, 181178), (157, 132710), (230, 90589), (314, 66355), (577, 36110), (785, 26542), (1154, 18055), (1570, 13271), (2885, 7222), (3611, 5770)]