20757477

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{317}}^1$

素因数の和:429

約数の個数: 32

約数和(自身を含む): 31627008

約数和(自身を除く): 10869531

約数列:

[1, 3, 13, 23, 39, 69, 73, 219, 299, 317, 897, 949, 951, 1679, 2847, 4121, 5037, 7291, 12363, 21827, 21873, 23141, 65481, 69423, 94783, 284349, 300833, 532243, 902499, 1596729, 6919159, 20757477]

約数ペア:

[(1, 20757477), (3, 6919159), (13, 1596729), (23, 902499), (39, 532243), (69, 300833), (73, 284349), (219, 94783), (299, 69423), (317, 65481), (897, 23141), (949, 21873), (951, 21827), (1679, 12363), (2847, 7291), (4121, 5037)]