20371064

素因数分解:

$2^3\times 7^2\times {\mathrm{157}}^1\times {\mathrm{331}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 44849880

約数和(自身を除く): 24478816

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 157, 196, 314, 331, 392, 628, 662, 1099, 1256, 1324, 2198, 2317, 2648, 4396, 4634, 7693, 8792, 9268, 15386, 16219, 18536, 30772, 32438, 51967, 61544, 64876, 103934, 129752, 207868, 363769, 415736, 727538, 1455076, 2546383, 2910152, 5092766, 10185532, 20371064]

約数ペア:

[(1, 20371064), (2, 10185532), (4, 5092766), (7, 2910152), (8, 2546383), (14, 1455076), (28, 727538), (49, 415736), (56, 363769), (98, 207868), (157, 129752), (196, 103934), (314, 64876), (331, 61544), (392, 51967), (628, 32438), (662, 30772), (1099, 18536), (1256, 16219), (1324, 15386), (2198, 9268), (2317, 8792), (2648, 7693), (4396, 4634)]