20105565

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{577}}^1$

素因数の和:709

約数の個数: 32

約数和(自身を含む): 33958656

約数和(自身を除く): 13853091

約数列:

[1, 3, 5, 15, 23, 69, 101, 115, 303, 345, 505, 577, 1515, 1731, 2323, 2885, 6969, 8655, 11615, 13271, 34845, 39813, 58277, 66355, 174831, 199065, 291385, 874155, 1340371, 4021113, 6701855, 20105565]

約数ペア:

[(1, 20105565), (3, 6701855), (5, 4021113), (15, 1340371), (23, 874155), (69, 291385), (101, 199065), (115, 174831), (303, 66355), (345, 58277), (505, 39813), (577, 34845), (1515, 13271), (1731, 11615), (2323, 8655), (2885, 6969)]