20763273

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{571}}^1$

素因数の和:645

約数の個数: 32

約数和(自身を含む): 31629312

約数和(自身を除く): 10866039

約数列:

[1, 3, 17, 23, 31, 51, 69, 93, 391, 527, 571, 713, 1173, 1581, 1713, 2139, 9707, 12121, 13133, 17701, 29121, 36363, 39399, 53103, 223261, 300917, 407123, 669783, 902751, 1221369, 6921091, 20763273]

約数ペア:

[(1, 20763273), (3, 6921091), (17, 1221369), (23, 902751), (31, 669783), (51, 407123), (69, 300917), (93, 223261), (391, 53103), (527, 39399), (571, 36363), (713, 29121), (1173, 17701), (1581, 13133), (1713, 12121), (2139, 9707)]