20970378

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8147}}^1$

素因数の和:8179

約数の個数: 48

約数和(自身を含む): 53385696

約数和(自身を除く): 32415318

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 33, 39, 66, 78, 99, 117, 143, 198, 234, 286, 429, 858, 1287, 2574, 8147, 16294, 24441, 48882, 73323, 89617, 105911, 146646, 179234, 211822, 268851, 317733, 537702, 635466, 806553, 953199, 1165021, 1613106, 1906398, 2330042, 3495063, 6990126, 10485189, 20970378]

約数ペア:

[(1, 20970378), (2, 10485189), (3, 6990126), (6, 3495063), (9, 2330042), (11, 1906398), (13, 1613106), (18, 1165021), (22, 953199), (26, 806553), (33, 635466), (39, 537702), (66, 317733), (78, 268851), (99, 211822), (117, 179234), (143, 146646), (198, 105911), (234, 89617), (286, 73323), (429, 48882), (858, 24441), (1287, 16294), (2574, 8147)]