20361796

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^3\times {\mathrm{331}}^1$

素因数の和:381

約数の個数: 48

約数和(自身を含む): 44248960

約数和(自身を除く): 23887164

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 169, 182, 331, 338, 364, 662, 676, 1183, 1324, 2197, 2317, 2366, 4303, 4394, 4634, 4732, 8606, 8788, 9268, 15379, 17212, 30121, 30758, 55939, 60242, 61516, 111878, 120484, 223756, 391573, 727207, 783146, 1454414, 1566292, 2908828, 5090449, 10180898, 20361796]

約数ペア:

[(1, 20361796), (2, 10180898), (4, 5090449), (7, 2908828), (13, 1566292), (14, 1454414), (26, 783146), (28, 727207), (52, 391573), (91, 223756), (169, 120484), (182, 111878), (331, 61516), (338, 60242), (364, 55939), (662, 30758), (676, 30121), (1183, 17212), (1324, 15379), (2197, 9268), (2317, 8788), (2366, 8606), (4303, 4732), (4394, 4634)]