20777816040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{487}}^1\times {\mathrm{355541}}^1$

素因数の和:356042

約数の個数: 64

約数和(自身を含む): 62461618560

約数和(自身を除く): 41683802520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 487, 974, 1461, 1948, 2435, 2922, 3896, 4870, 5844, 7305, 9740, 11688, 14610, 19480, 29220, 58440, 355541, 711082, 1066623, 1422164, 1777705, 2133246, 2844328, 3555410, 4266492, 5333115, 7110820, 8532984, 10666230, 14221640, 21332460, 42664920, 173148467, 346296934, 519445401, 692593868, 865742335, 1038890802, 1385187736, 1731484670, 2077781604, 2597227005, 3462969340, 4155563208, 5194454010, 6925938680, 10388908020, 20777816040]

約数ペア:

[(1, 20777816040), (2, 10388908020), (3, 6925938680), (4, 5194454010), (5, 4155563208), (6, 3462969340), (8, 2597227005), (10, 2077781604), (12, 1731484670), (15, 1385187736), (20, 1038890802), (24, 865742335), (30, 692593868), (40, 519445401), (60, 346296934), (120, 173148467), (487, 42664920), (974, 21332460), (1461, 14221640), (1948, 10666230), (2435, 8532984), (2922, 7110820), (3896, 5333115), (4870, 4266492), (5844, 3555410), (7305, 2844328), (9740, 2133246), (11688, 1777705), (14610, 1422164), (19480, 1066623), (29220, 711082), (58440, 355541)]