20078480

素因数分解:

$2^4\times 5^1\times {\mathrm{419}}^1\times {\mathrm{599}}^1$

素因数の和:1031

約数の個数: 40

約数和(自身を含む): 46872000

約数和(自身を除く): 26793520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 419, 599, 838, 1198, 1676, 2095, 2396, 2995, 3352, 4190, 4792, 5990, 6704, 8380, 9584, 11980, 16760, 23960, 33520, 47920, 250981, 501962, 1003924, 1254905, 2007848, 2509810, 4015696, 5019620, 10039240, 20078480]

約数ペア:

[(1, 20078480), (2, 10039240), (4, 5019620), (5, 4015696), (8, 2509810), (10, 2007848), (16, 1254905), (20, 1003924), (40, 501962), (80, 250981), (419, 47920), (599, 33520), (838, 23960), (1198, 16760), (1676, 11980), (2095, 9584), (2396, 8380), (2995, 6704), (3352, 5990), (4190, 4792)]