20149259775

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{70867}}^1$

素因数の和:71120

約数の個数: 48

約数和(自身を含む): 35431732224

約数和(自身を除く): 15282472449

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 223, 255, 425, 669, 1115, 1275, 3345, 3791, 5575, 11373, 16725, 18955, 56865, 70867, 94775, 212601, 284325, 354335, 1063005, 1204739, 1771675, 3614217, 5315025, 6023695, 15803341, 18071085, 30118475, 47410023, 79016705, 90355425, 237050115, 268656797, 395083525, 805970391, 1185250575, 1343283985, 4029851955, 6716419925, 20149259775]

約数ペア:

[(1, 20149259775), (3, 6716419925), (5, 4029851955), (15, 1343283985), (17, 1185250575), (25, 805970391), (51, 395083525), (75, 268656797), (85, 237050115), (223, 90355425), (255, 79016705), (425, 47410023), (669, 30118475), (1115, 18071085), (1275, 15803341), (3345, 6023695), (3791, 5315025), (5575, 3614217), (11373, 1771675), (16725, 1204739), (18955, 1063005), (56865, 354335), (70867, 284325), (94775, 212601)]