20961420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{349357}}^1$

素因数の和:349369

約数の個数: 24

約数和(自身を含む): 58692144

約数和(自身を除く): 37730724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 349357, 698714, 1048071, 1397428, 1746785, 2096142, 3493570, 4192284, 5240355, 6987140, 10480710, 20961420]

約数ペア:

[(1, 20961420), (2, 10480710), (3, 6987140), (4, 5240355), (5, 4192284), (6, 3493570), (10, 2096142), (12, 1746785), (15, 1397428), (20, 1048071), (30, 698714), (60, 349357)]