20227976780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2965979}}^1$

素因数の和:2966030

約数の個数: 48

約数和(自身を含む): 47835325440

約数和(自身を除く): 27607348660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820, 2965979, 5931958, 11863916, 14829895, 29659790, 32625769, 59319580, 65251538, 91945349, 130503076, 163128845, 183890698, 326257690, 367781396, 459726745, 652515380, 919453490, 1011398839, 1838906980, 2022797678, 4045595356, 5056994195, 10113988390, 20227976780]

約数ペア:

[(1, 20227976780), (2, 10113988390), (4, 5056994195), (5, 4045595356), (10, 2022797678), (11, 1838906980), (20, 1011398839), (22, 919453490), (31, 652515380), (44, 459726745), (55, 367781396), (62, 326257690), (110, 183890698), (124, 163128845), (155, 130503076), (220, 91945349), (310, 65251538), (341, 59319580), (620, 32625769), (682, 29659790), (1364, 14829895), (1705, 11863916), (3410, 5931958), (6820, 2965979)]