2020138425

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{521}}^1\times {\mathrm{907}}^1$

素因数の和:1463

約数の個数: 72

約数和(自身を含む): 3820246560

約数和(自身を除く): 1800108135

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 225, 285, 475, 521, 855, 907, 1425, 1563, 2605, 2721, 4275, 4535, 4689, 7815, 8163, 9899, 13025, 13605, 17233, 22675, 23445, 29697, 39075, 40815, 49495, 51699, 68025, 86165, 89091, 117225, 148485, 155097, 204075, 247475, 258495, 430825, 445455, 472547, 742425, 775485, 1292475, 1417641, 2227275, 2362735, 3877425, 4252923, 7088205, 8978393, 11813675, 21264615, 26935179, 35441025, 44891965, 80805537, 106323075, 134675895, 224459825, 404027685, 673379475, 2020138425]

約数ペア:

[(1, 2020138425), (3, 673379475), (5, 404027685), (9, 224459825), (15, 134675895), (19, 106323075), (25, 80805537), (45, 44891965), (57, 35441025), (75, 26935179), (95, 21264615), (171, 11813675), (225, 8978393), (285, 7088205), (475, 4252923), (521, 3877425), (855, 2362735), (907, 2227275), (1425, 1417641), (1563, 1292475), (2605, 775485), (2721, 742425), (4275, 472547), (4535, 445455), (4689, 430825), (7815, 258495), (8163, 247475), (9899, 204075), (13025, 155097), (13605, 148485), (17233, 117225), (22675, 89091), (23445, 86165), (29697, 68025), (39075, 51699), (40815, 49495)]