20402414935

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{21391}}^1$

素因数の和:21656

約数の個数: 48

約数和(自身を含む): 30288504960

約数和(自身を除く): 9886090025

約数列:

[1, 5, 7, 17, 35, 49, 85, 119, 229, 245, 595, 833, 1145, 1603, 3893, 4165, 8015, 11221, 19465, 21391, 27251, 56105, 106955, 136255, 149737, 190757, 363647, 748685, 953785, 1048159, 1818235, 2545529, 4898539, 5240795, 12727645, 17818703, 24492695, 34289773, 83275163, 89093515, 171448865, 240028411, 416375815, 582926141, 1200142055, 2914630705, 4080482987, 20402414935]

約数ペア:

[(1, 20402414935), (5, 4080482987), (7, 2914630705), (17, 1200142055), (35, 582926141), (49, 416375815), (85, 240028411), (119, 171448865), (229, 89093515), (245, 83275163), (595, 34289773), (833, 24492695), (1145, 17818703), (1603, 12727645), (3893, 5240795), (4165, 4898539), (8015, 2545529), (11221, 1818235), (19465, 1048159), (21391, 953785), (27251, 748685), (56105, 363647), (106955, 190757), (136255, 149737)]