20970290970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{829193}}^1$

素因数の和:829487

約数の個数: 48

約数和(自身を含む): 54716853672

約数和(自身を除く): 33746562702

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 281, 562, 843, 1405, 1686, 2529, 2810, 4215, 5058, 8430, 12645, 25290, 829193, 1658386, 2487579, 4145965, 4975158, 7462737, 8291930, 12437895, 14925474, 24875790, 37313685, 74627370, 233003233, 466006466, 699009699, 1165016165, 1398019398, 2097029097, 2330032330, 3495048495, 4194058194, 6990096990, 10485145485, 20970290970]

約数ペア:

[(1, 20970290970), (2, 10485145485), (3, 6990096990), (5, 4194058194), (6, 3495048495), (9, 2330032330), (10, 2097029097), (15, 1398019398), (18, 1165016165), (30, 699009699), (45, 466006466), (90, 233003233), (281, 74627370), (562, 37313685), (843, 24875790), (1405, 14925474), (1686, 12437895), (2529, 8291930), (2810, 7462737), (4215, 4975158), (5058, 4145965), (8430, 2487579), (12645, 1658386), (25290, 829193)]