20150416

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8807}}^1$

素因数の和:8839

約数の個数: 40

約数和(自身を含む): 45872064

約数和(自身を除く): 25721648

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 8807, 17614, 35228, 70456, 96877, 114491, 140912, 193754, 228982, 387508, 457964, 775016, 915928, 1259401, 1550032, 1831856, 2518802, 5037604, 10075208, 20150416]

約数ペア:

[(1, 20150416), (2, 10075208), (4, 5037604), (8, 2518802), (11, 1831856), (13, 1550032), (16, 1259401), (22, 915928), (26, 775016), (44, 457964), (52, 387508), (88, 228982), (104, 193754), (143, 140912), (176, 114491), (208, 96877), (286, 70456), (572, 35228), (1144, 17614), (2288, 8807)]