20968470

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{8629}}^1$

素因数の和:8651

約数の個数: 48

約数和(自身を含む): 56543760

約数和(自身を除く): 35575290

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 810, 1215, 2430, 8629, 17258, 25887, 43145, 51774, 77661, 86290, 129435, 155322, 232983, 258870, 388305, 465966, 698949, 776610, 1164915, 1397898, 2096847, 2329830, 3494745, 4193694, 6989490, 10484235, 20968470]

約数ペア:

[(1, 20968470), (2, 10484235), (3, 6989490), (5, 4193694), (6, 3494745), (9, 2329830), (10, 2096847), (15, 1397898), (18, 1164915), (27, 776610), (30, 698949), (45, 465966), (54, 388305), (81, 258870), (90, 232983), (135, 155322), (162, 129435), (243, 86290), (270, 77661), (405, 51774), (486, 43145), (810, 25887), (1215, 17258), (2430, 8629)]