20187127305

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{47137}}^1$

素因数の和:47486

約数の個数: 48

約数和(自身を含む): 36238185984

約数和(自身を除く): 16051058679

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 307, 465, 921, 1395, 1535, 2763, 4605, 9517, 13815, 28551, 47137, 47585, 85653, 141411, 142755, 235685, 424233, 428265, 707055, 1461247, 2121165, 4383741, 7306235, 13151223, 14471059, 21918705, 43413177, 65756115, 72355295, 130239531, 217065885, 448602829, 651197655, 1345808487, 2243014145, 4037425461, 6729042435, 20187127305]

約数ペア:

[(1, 20187127305), (3, 6729042435), (5, 4037425461), (9, 2243014145), (15, 1345808487), (31, 651197655), (45, 448602829), (93, 217065885), (155, 130239531), (279, 72355295), (307, 65756115), (465, 43413177), (921, 21918705), (1395, 14471059), (1535, 13151223), (2763, 7306235), (4605, 4383741), (9517, 2121165), (13815, 1461247), (28551, 707055), (47137, 428265), (47585, 424233), (85653, 235685), (141411, 142755)]