20926910

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1$

素因数の和:452

約数の個数: 32

約数和(自身を含む): 38681280

約数和(自身を除く): 17754370

約数列:

[1, 2, 5, 10, 73, 109, 146, 218, 263, 365, 526, 545, 730, 1090, 1315, 2630, 7957, 15914, 19199, 28667, 38398, 39785, 57334, 79570, 95995, 143335, 191990, 286670, 2092691, 4185382, 10463455, 20926910]

約数ペア:

[(1, 20926910), (2, 10463455), (5, 4185382), (10, 2092691), (73, 286670), (109, 191990), (146, 143335), (218, 95995), (263, 79570), (365, 57334), (526, 39785), (545, 38398), (730, 28667), (1090, 19199), (1315, 15914), (2630, 7957)]