20215005279

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{971}}^1\times {\mathrm{43103}}^1$

素因数の和:44107

約数の個数: 32

約数和(自身を含む): 32176963584

約数和(自身を除く): 11961958305

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 971, 2913, 6797, 20391, 22333, 43103, 66999, 129309, 156331, 301721, 468993, 905163, 991369, 2974107, 6939583, 20818749, 41853013, 125559039, 292971091, 878913273, 962619299, 2887857897, 6738335093, 20215005279]

約数ペア:

[(1, 20215005279), (3, 6738335093), (7, 2887857897), (21, 962619299), (23, 878913273), (69, 292971091), (161, 125559039), (483, 41853013), (971, 20818749), (2913, 6939583), (6797, 2974107), (20391, 991369), (22333, 905163), (43103, 468993), (66999, 301721), (129309, 156331)]