20211894280

素因数分解:

$2^3\times 5^1\times {\mathrm{505297357}}^1$

素因数の和:505297368

約数の個数: 16

約数和(自身を含む): 45476762220

約数和(自身を除く): 25264867940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 505297357, 1010594714, 2021189428, 2526486785, 4042378856, 5052973570, 10105947140, 20211894280]

約数ペア:

[(1, 20211894280), (2, 10105947140), (4, 5052973570), (5, 4042378856), (8, 2526486785), (10, 2021189428), (20, 1010594714), (40, 505297357)]