20145793455

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{601}}^1\times {\mathrm{24029}}^1$

素因数の和:24672

約数の個数: 48

約数和(自身を含む): 36107285760

約数和(自身を除く): 15961492305

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 601, 1395, 1803, 3005, 5409, 9015, 18631, 24029, 27045, 55893, 72087, 93155, 120145, 167679, 216261, 279465, 360435, 744899, 838395, 1081305, 2234697, 3724495, 6704091, 11173485, 14441429, 33520455, 43324287, 72207145, 129972861, 216621435, 447684299, 649864305, 1343052897, 2238421495, 4029158691, 6715264485, 20145793455]

約数ペア:

[(1, 20145793455), (3, 6715264485), (5, 4029158691), (9, 2238421495), (15, 1343052897), (31, 649864305), (45, 447684299), (93, 216621435), (155, 129972861), (279, 72207145), (465, 43324287), (601, 33520455), (1395, 14441429), (1803, 11173485), (3005, 6704091), (5409, 3724495), (9015, 2234697), (18631, 1081305), (24029, 838395), (27045, 744899), (55893, 360435), (72087, 279465), (93155, 216261), (120145, 167679)]