20787912

素因数分解:

$2^3\times 3^2\times {\mathrm{47}}^1\times {\mathrm{6143}}^1$

素因数の和:6202

約数の個数: 48

約数和(自身を含む): 57507840

約数和(自身を除く): 36719928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 47, 72, 94, 141, 188, 282, 376, 423, 564, 846, 1128, 1692, 3384, 6143, 12286, 18429, 24572, 36858, 49144, 55287, 73716, 110574, 147432, 221148, 288721, 442296, 577442, 866163, 1154884, 1732326, 2309768, 2598489, 3464652, 5196978, 6929304, 10393956, 20787912]

約数ペア:

[(1, 20787912), (2, 10393956), (3, 6929304), (4, 5196978), (6, 3464652), (8, 2598489), (9, 2309768), (12, 1732326), (18, 1154884), (24, 866163), (36, 577442), (47, 442296), (72, 288721), (94, 221148), (141, 147432), (188, 110574), (282, 73716), (376, 55287), (423, 49144), (564, 36858), (846, 24572), (1128, 18429), (1692, 12286), (3384, 6143)]