20041620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8147}}^1$

素因数の和:8200

約数の個数: 48

約数和(自身を含む): 57492288

約数和(自身を除く): 37450668

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 8147, 16294, 24441, 32588, 40735, 48882, 81470, 97764, 122205, 162940, 244410, 334027, 488820, 668054, 1002081, 1336108, 1670135, 2004162, 3340270, 4008324, 5010405, 6680540, 10020810, 20041620]

約数ペア:

[(1, 20041620), (2, 10020810), (3, 6680540), (4, 5010405), (5, 4008324), (6, 3340270), (10, 2004162), (12, 1670135), (15, 1336108), (20, 1002081), (30, 668054), (41, 488820), (60, 334027), (82, 244410), (123, 162940), (164, 122205), (205, 97764), (246, 81470), (410, 48882), (492, 40735), (615, 32588), (820, 24441), (1230, 16294), (2460, 8147)]