20391324

素因数分解:

$2^2\times 3^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 49059360

約数和(自身を除く): 28668036

約数列:

[1, 2, 3, 4, 6, 12, 61, 89, 122, 178, 183, 244, 267, 313, 356, 366, 534, 626, 732, 939, 1068, 1252, 1878, 3756, 5429, 10858, 16287, 19093, 21716, 27857, 32574, 38186, 55714, 57279, 65148, 76372, 83571, 111428, 114558, 167142, 229116, 334284, 1699277, 3398554, 5097831, 6797108, 10195662, 20391324]

約数ペア:

[(1, 20391324), (2, 10195662), (3, 6797108), (4, 5097831), (6, 3398554), (12, 1699277), (61, 334284), (89, 229116), (122, 167142), (178, 114558), (183, 111428), (244, 83571), (267, 76372), (313, 65148), (356, 57279), (366, 55714), (534, 38186), (626, 32574), (732, 27857), (939, 21716), (1068, 19093), (1252, 16287), (1878, 10858), (3756, 5429)]