20615866

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{643}}^1$

素因数の和:726

約数の個数: 32

約数和(自身を含む): 35054208

約数和(自身を除く): 14438342

約数列:

[1, 2, 17, 23, 34, 41, 46, 82, 391, 643, 697, 782, 943, 1286, 1394, 1886, 10931, 14789, 16031, 21862, 26363, 29578, 32062, 52726, 251413, 448171, 502826, 606349, 896342, 1212698, 10307933, 20615866]

約数ペア:

[(1, 20615866), (2, 10307933), (17, 1212698), (23, 896342), (34, 606349), (41, 502826), (46, 448171), (82, 251413), (391, 52726), (643, 32062), (697, 29578), (782, 26363), (943, 21862), (1286, 16031), (1394, 14789), (1886, 10931)]