2020565175

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{73}}^1\times {\mathrm{1277}}^1$

素因数の和:1397

約数の個数: 72

約数和(自身を含む): 3600166896

約数和(自身を除く): 1579601721

約数列:

[1, 3, 5, 15, 17, 25, 51, 73, 75, 85, 219, 255, 289, 365, 425, 867, 1095, 1241, 1275, 1277, 1445, 1825, 3723, 3831, 4335, 5475, 6205, 6385, 7225, 18615, 19155, 21097, 21675, 21709, 31025, 31925, 63291, 65127, 93075, 93221, 95775, 105485, 108545, 279663, 316455, 325635, 369053, 466105, 527425, 542725, 1107159, 1398315, 1582275, 1584757, 1628175, 1845265, 2330525, 4754271, 5535795, 6991575, 7923785, 9226325, 23771355, 26940869, 27678975, 39618925, 80822607, 118856775, 134704345, 404113035, 673521725, 2020565175]

約数ペア:

[(1, 2020565175), (3, 673521725), (5, 404113035), (15, 134704345), (17, 118856775), (25, 80822607), (51, 39618925), (73, 27678975), (75, 26940869), (85, 23771355), (219, 9226325), (255, 7923785), (289, 6991575), (365, 5535795), (425, 4754271), (867, 2330525), (1095, 1845265), (1241, 1628175), (1275, 1584757), (1277, 1582275), (1445, 1398315), (1825, 1107159), (3723, 542725), (3831, 527425), (4335, 466105), (5475, 369053), (6205, 325635), (6385, 316455), (7225, 279663), (18615, 108545), (19155, 105485), (21097, 95775), (21675, 93221), (21709, 93075), (31025, 65127), (31925, 63291)]