20858970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2039}}^1$

素因数の和:2091

約数の個数: 64

約数和(自身を含む): 56401920

約数和(自身を除く): 35542950

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 31, 33, 55, 62, 66, 93, 110, 155, 165, 186, 310, 330, 341, 465, 682, 930, 1023, 1705, 2039, 2046, 3410, 4078, 5115, 6117, 10195, 10230, 12234, 20390, 22429, 30585, 44858, 61170, 63209, 67287, 112145, 126418, 134574, 189627, 224290, 316045, 336435, 379254, 632090, 672870, 695299, 948135, 1390598, 1896270, 2085897, 3476495, 4171794, 6952990, 10429485, 20858970]

約数ペア:

[(1, 20858970), (2, 10429485), (3, 6952990), (5, 4171794), (6, 3476495), (10, 2085897), (11, 1896270), (15, 1390598), (22, 948135), (30, 695299), (31, 672870), (33, 632090), (55, 379254), (62, 336435), (66, 316045), (93, 224290), (110, 189627), (155, 134574), (165, 126418), (186, 112145), (310, 67287), (330, 63209), (341, 61170), (465, 44858), (682, 30585), (930, 22429), (1023, 20390), (1705, 12234), (2039, 10230), (2046, 10195), (3410, 6117), (4078, 5115)]