20548444

素因数分解:

$2^2\times 7^3\times {\mathrm{17}}^1\times {\mathrm{881}}^1$

素因数の和:923

約数の個数: 48

約数和(自身を含む): 44452800

約数和(自身を除く): 23904356

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 98, 119, 196, 238, 343, 476, 686, 833, 881, 1372, 1666, 1762, 3332, 3524, 5831, 6167, 11662, 12334, 14977, 23324, 24668, 29954, 43169, 59908, 86338, 104839, 172676, 209678, 302183, 419356, 604366, 733873, 1208732, 1467746, 2935492, 5137111, 10274222, 20548444]

約数ペア:

[(1, 20548444), (2, 10274222), (4, 5137111), (7, 2935492), (14, 1467746), (17, 1208732), (28, 733873), (34, 604366), (49, 419356), (68, 302183), (98, 209678), (119, 172676), (196, 104839), (238, 86338), (343, 59908), (476, 43169), (686, 29954), (833, 24668), (881, 23324), (1372, 14977), (1666, 12334), (1762, 11662), (3332, 6167), (3524, 5831)]