20184594820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{753719}}^1$

素因数の和:753844

約数の個数: 48

約数和(自身を含む): 46091485440

約数和(自身を除く): 25906890620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 103, 130, 206, 260, 412, 515, 1030, 1339, 2060, 2678, 5356, 6695, 13390, 26780, 753719, 1507438, 3014876, 3768595, 7537190, 9798347, 15074380, 19596694, 39193388, 48991735, 77633057, 97983470, 155266114, 195966940, 310532228, 388165285, 776330570, 1009229741, 1552661140, 2018459482, 4036918964, 5046148705, 10092297410, 20184594820]

約数ペア:

[(1, 20184594820), (2, 10092297410), (4, 5046148705), (5, 4036918964), (10, 2018459482), (13, 1552661140), (20, 1009229741), (26, 776330570), (52, 388165285), (65, 310532228), (103, 195966940), (130, 155266114), (206, 97983470), (260, 77633057), (412, 48991735), (515, 39193388), (1030, 19596694), (1339, 15074380), (2060, 9798347), (2678, 7537190), (5356, 3768595), (6695, 3014876), (13390, 1507438), (26780, 753719)]