20222865

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1$

素因数の和:220

約数の個数: 80

約数和(自身を含む): 40981248

約数和(自身を除く): 20758383

約数列:

[1, 3, 5, 9, 13, 15, 23, 27, 39, 45, 65, 69, 81, 115, 117, 135, 167, 195, 207, 299, 345, 351, 405, 501, 585, 621, 835, 897, 1035, 1053, 1495, 1503, 1755, 1863, 2171, 2505, 2691, 3105, 3841, 4485, 4509, 5265, 6513, 7515, 8073, 9315, 10855, 11523, 13455, 13527, 19205, 19539, 22545, 24219, 32565, 34569, 40365, 49933, 57615, 58617, 67635, 97695, 103707, 121095, 149799, 172845, 175851, 249665, 293085, 311121, 449397, 518535, 748995, 879255, 1348191, 1555605, 2246985, 4044573, 6740955, 20222865]

約数ペア:

[(1, 20222865), (3, 6740955), (5, 4044573), (9, 2246985), (13, 1555605), (15, 1348191), (23, 879255), (27, 748995), (39, 518535), (45, 449397), (65, 311121), (69, 293085), (81, 249665), (115, 175851), (117, 172845), (135, 149799), (167, 121095), (195, 103707), (207, 97695), (299, 67635), (345, 58617), (351, 57615), (405, 49933), (501, 40365), (585, 34569), (621, 32565), (835, 24219), (897, 22545), (1035, 19539), (1053, 19205), (1495, 13527), (1503, 13455), (1755, 11523), (1863, 10855), (2171, 9315), (2505, 8073), (2691, 7515), (3105, 6513), (3841, 5265), (4485, 4509)]