20663526

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:301

約数の個数: 64

約数和(自身を含む): 47738880

約数和(自身を除く): 27075354

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 73, 78, 114, 146, 191, 219, 247, 382, 438, 494, 573, 741, 949, 1146, 1387, 1482, 1898, 2483, 2774, 2847, 3629, 4161, 4966, 5694, 7258, 7449, 8322, 10887, 13943, 14898, 18031, 21774, 27886, 36062, 41829, 47177, 54093, 83658, 94354, 108186, 141531, 181259, 264917, 283062, 362518, 529834, 543777, 794751, 1087554, 1589502, 3443921, 6887842, 10331763, 20663526]

約数ペア:

[(1, 20663526), (2, 10331763), (3, 6887842), (6, 3443921), (13, 1589502), (19, 1087554), (26, 794751), (38, 543777), (39, 529834), (57, 362518), (73, 283062), (78, 264917), (114, 181259), (146, 141531), (191, 108186), (219, 94354), (247, 83658), (382, 54093), (438, 47177), (494, 41829), (573, 36062), (741, 27886), (949, 21774), (1146, 18031), (1387, 14898), (1482, 13943), (1898, 10887), (2483, 8322), (2774, 7449), (2847, 7258), (3629, 5694), (4161, 4966)]