20213306510

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{457}}^1\times {\mathrm{260179}}^1$

素因数の和:260660

約数の個数: 32

約数和(自身を含む): 38608630560

約数和(自身を除く): 18395324050

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 457, 914, 2285, 4570, 7769, 15538, 38845, 77690, 260179, 520358, 1300895, 2601790, 4423043, 8846086, 22115215, 44230430, 118901803, 237803606, 594509015, 1189018030, 2021330651, 4042661302, 10106653255, 20213306510]

約数ペア:

[(1, 20213306510), (2, 10106653255), (5, 4042661302), (10, 2021330651), (17, 1189018030), (34, 594509015), (85, 237803606), (170, 118901803), (457, 44230430), (914, 22115215), (2285, 8846086), (4570, 4423043), (7769, 2601790), (15538, 1300895), (38845, 520358), (77690, 260179)]