20007864

素因数分解:

$2^3\times 3^3\times {\mathrm{211}}^1\times {\mathrm{439}}^1$

素因数の和:665

約数の個数: 64

約数和(自身を含む): 55968000

約数和(自身を除く): 35960136

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 211, 216, 422, 439, 633, 844, 878, 1266, 1317, 1688, 1756, 1899, 2532, 2634, 3512, 3798, 3951, 5064, 5268, 5697, 7596, 7902, 10536, 11394, 11853, 15192, 15804, 22788, 23706, 31608, 45576, 47412, 92629, 94824, 185258, 277887, 370516, 555774, 741032, 833661, 1111548, 1667322, 2223096, 2500983, 3334644, 5001966, 6669288, 10003932, 20007864]

約数ペア:

[(1, 20007864), (2, 10003932), (3, 6669288), (4, 5001966), (6, 3334644), (8, 2500983), (9, 2223096), (12, 1667322), (18, 1111548), (24, 833661), (27, 741032), (36, 555774), (54, 370516), (72, 277887), (108, 185258), (211, 94824), (216, 92629), (422, 47412), (439, 45576), (633, 31608), (844, 23706), (878, 22788), (1266, 15804), (1317, 15192), (1688, 11853), (1756, 11394), (1899, 10536), (2532, 7902), (2634, 7596), (3512, 5697), (3798, 5268), (3951, 5064)]