20148345

素因数分解:

$3^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:153

約数の個数: 96

約数和(自身を含む): 43610112

約数和(自身を除く): 23461767

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 27, 35, 45, 63, 69, 81, 103, 105, 115, 135, 161, 189, 207, 243, 309, 315, 345, 405, 483, 515, 567, 621, 721, 805, 927, 945, 1035, 1215, 1449, 1545, 1701, 1863, 2163, 2369, 2415, 2781, 2835, 3105, 3605, 4347, 4635, 5589, 6489, 7107, 7245, 8343, 8505, 9315, 10815, 11845, 13041, 13905, 16583, 19467, 21321, 21735, 25029, 27945, 32445, 35535, 39123, 41715, 49749, 58401, 63963, 65205, 82915, 97335, 106605, 125145, 149247, 175203, 191889, 195615, 248745, 292005, 319815, 447741, 575667, 746235, 876015, 959445, 1343223, 2238705, 2878335, 4029669, 6716115, 20148345]

約数ペア:

[(1, 20148345), (3, 6716115), (5, 4029669), (7, 2878335), (9, 2238705), (15, 1343223), (21, 959445), (23, 876015), (27, 746235), (35, 575667), (45, 447741), (63, 319815), (69, 292005), (81, 248745), (103, 195615), (105, 191889), (115, 175203), (135, 149247), (161, 125145), (189, 106605), (207, 97335), (243, 82915), (309, 65205), (315, 63963), (345, 58401), (405, 49749), (483, 41715), (515, 39123), (567, 35535), (621, 32445), (721, 27945), (805, 25029), (927, 21735), (945, 21321), (1035, 19467), (1215, 16583), (1449, 13905), (1545, 13041), (1701, 11845), (1863, 10815), (2163, 9315), (2369, 8505), (2415, 8343), (2781, 7245), (2835, 7107), (3105, 6489), (3605, 5589), (4347, 4635)]