20147987511

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{84859}}^1$

素因数の和:84956

約数の個数: 48

約数和(自身を含む): 32195205120

約数和(自身を除く): 12047217609

約数列:

[1, 3, 9, 23, 31, 37, 69, 93, 111, 207, 279, 333, 713, 851, 1147, 2139, 2553, 3441, 6417, 7659, 10323, 26381, 79143, 84859, 237429, 254577, 763731, 1951757, 2630629, 3139783, 5855271, 7891887, 9419349, 17565813, 23675661, 28258047, 60504467, 72215009, 97333273, 181513401, 216645027, 291999819, 544540203, 649935081, 875999457, 2238665279, 6715995837, 20147987511]

約数ペア:

[(1, 20147987511), (3, 6715995837), (9, 2238665279), (23, 875999457), (31, 649935081), (37, 544540203), (69, 291999819), (93, 216645027), (111, 181513401), (207, 97333273), (279, 72215009), (333, 60504467), (713, 28258047), (851, 23675661), (1147, 17565813), (2139, 9419349), (2553, 7891887), (3441, 5855271), (6417, 3139783), (7659, 2630629), (10323, 1951757), (26381, 763731), (79143, 254577), (84859, 237429)]