20091031893

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{1987}}^1\times {\mathrm{36241}}^1$

素因数の和:38265

約数の個数: 24

約数和(自身を含む): 29972423936

約数和(自身を除く): 9881392043

約数列:

[1, 3, 9, 31, 93, 279, 1987, 5961, 17883, 36241, 61597, 108723, 184791, 326169, 554373, 1123471, 3370413, 10111239, 72010867, 216032601, 648097803, 2232336877, 6697010631, 20091031893]

約数ペア:

[(1, 20091031893), (3, 6697010631), (9, 2232336877), (31, 648097803), (93, 216032601), (279, 72010867), (1987, 10111239), (5961, 3370413), (17883, 1123471), (36241, 554373), (61597, 326169), (108723, 184791)]