20755742

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2357}}^1$

素因数の和:2420

約数の個数: 32

約数和(自身を含む): 38708928

約数和(自身を除く): 17953186

約数列:

[1, 2, 7, 14, 17, 34, 37, 74, 119, 238, 259, 518, 629, 1258, 2357, 4403, 4714, 8806, 16499, 32998, 40069, 80138, 87209, 174418, 280483, 560966, 610463, 1220926, 1482553, 2965106, 10377871, 20755742]

約数ペア:

[(1, 20755742), (2, 10377871), (7, 2965106), (14, 1482553), (17, 1220926), (34, 610463), (37, 560966), (74, 280483), (119, 174418), (238, 87209), (259, 80138), (518, 40069), (629, 32998), (1258, 16499), (2357, 8806), (4403, 4714)]