20134775

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:168

約数の個数: 36

約数和(自身を含む): 27779472

約数和(自身を除く): 7644697

約数列:

[1, 5, 19, 23, 25, 95, 97, 115, 361, 437, 475, 485, 575, 1805, 1843, 2185, 2231, 2425, 8303, 9025, 9215, 10925, 11155, 35017, 41515, 42389, 46075, 55775, 175085, 207575, 211945, 805391, 875425, 1059725, 4026955, 20134775]

約数ペア:

[(1, 20134775), (5, 4026955), (19, 1059725), (23, 875425), (25, 805391), (95, 211945), (97, 207575), (115, 175085), (361, 55775), (437, 46075), (475, 42389), (485, 41515), (575, 35017), (1805, 11155), (1843, 10925), (2185, 9215), (2231, 9025), (2425, 8303)]