20837502

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{2803}}^1$

素因数の和:2877

約数の個数: 48

約数和(自身を含む): 52490880

約数和(自身を除く): 31653378

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 59, 63, 118, 126, 177, 354, 413, 531, 826, 1062, 1239, 2478, 2803, 3717, 5606, 7434, 8409, 16818, 19621, 25227, 39242, 50454, 58863, 117726, 165377, 176589, 330754, 353178, 496131, 992262, 1157639, 1488393, 2315278, 2976786, 3472917, 6945834, 10418751, 20837502]

約数ペア:

[(1, 20837502), (2, 10418751), (3, 6945834), (6, 3472917), (7, 2976786), (9, 2315278), (14, 1488393), (18, 1157639), (21, 992262), (42, 496131), (59, 353178), (63, 330754), (118, 176589), (126, 165377), (177, 117726), (354, 58863), (413, 50454), (531, 39242), (826, 25227), (1062, 19621), (1239, 16818), (2478, 8409), (2803, 7434), (3717, 5606)]