20740248

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{15161}}^1$

素因数の和:15192

約数の個数: 48

約数和(自身を含む): 59131800

約数和(自身を除く): 38391552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 15161, 30322, 45483, 60644, 90966, 121288, 136449, 181932, 272898, 288059, 363864, 545796, 576118, 864177, 1091592, 1152236, 1728354, 2304472, 2592531, 3456708, 5185062, 6913416, 10370124, 20740248]

約数ペア:

[(1, 20740248), (2, 10370124), (3, 6913416), (4, 5185062), (6, 3456708), (8, 2592531), (9, 2304472), (12, 1728354), (18, 1152236), (19, 1091592), (24, 864177), (36, 576118), (38, 545796), (57, 363864), (72, 288059), (76, 272898), (114, 181932), (152, 136449), (171, 121288), (228, 90966), (342, 60644), (456, 45483), (684, 30322), (1368, 15161)]