20463270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{547}}^1$

素因数の和:629

約数の個数: 64

約数和(自身を含む): 52081920

約数和(自身を除く): 31618650

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 43, 58, 86, 87, 129, 145, 174, 215, 258, 290, 430, 435, 547, 645, 870, 1094, 1247, 1290, 1641, 2494, 2735, 3282, 3741, 5470, 6235, 7482, 8205, 12470, 15863, 16410, 18705, 23521, 31726, 37410, 47042, 47589, 70563, 79315, 95178, 117605, 141126, 158630, 235210, 237945, 352815, 475890, 682109, 705630, 1364218, 2046327, 3410545, 4092654, 6821090, 10231635, 20463270]

約数ペア:

[(1, 20463270), (2, 10231635), (3, 6821090), (5, 4092654), (6, 3410545), (10, 2046327), (15, 1364218), (29, 705630), (30, 682109), (43, 475890), (58, 352815), (86, 237945), (87, 235210), (129, 158630), (145, 141126), (174, 117605), (215, 95178), (258, 79315), (290, 70563), (430, 47589), (435, 47042), (547, 37410), (645, 31726), (870, 23521), (1094, 18705), (1247, 16410), (1290, 15863), (1641, 12470), (2494, 8205), (2735, 7482), (3282, 6235), (3741, 5470)]