20507988

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1901}}^1$

素因数の和:1968

約数の個数: 48

約数和(自身を含む): 51125760

約数和(自身を除く): 30617772

約数列:

[1, 2, 3, 4, 6, 12, 29, 31, 58, 62, 87, 93, 116, 124, 174, 186, 348, 372, 899, 1798, 1901, 2697, 3596, 3802, 5394, 5703, 7604, 10788, 11406, 22812, 55129, 58931, 110258, 117862, 165387, 176793, 220516, 235724, 330774, 353586, 661548, 707172, 1708999, 3417998, 5126997, 6835996, 10253994, 20507988]

約数ペア:

[(1, 20507988), (2, 10253994), (3, 6835996), (4, 5126997), (6, 3417998), (12, 1708999), (29, 707172), (31, 661548), (58, 353586), (62, 330774), (87, 235724), (93, 220516), (116, 176793), (124, 165387), (174, 117862), (186, 110258), (348, 58931), (372, 55129), (899, 22812), (1798, 11406), (1901, 10788), (2697, 7604), (3596, 5703), (3802, 5394)]