20123176816

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{997}}^1\times {\mathrm{40693}}^1$

素因数の和:41729

約数の個数: 40

約数和(自身を含む): 40287711104

約数和(自身を除く): 20164534288

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 997, 1994, 3988, 7976, 15952, 30907, 40693, 61814, 81386, 123628, 162772, 247256, 325544, 494512, 651088, 1261483, 2522966, 5045932, 10091864, 20183728, 40570921, 81141842, 162283684, 324567368, 649134736, 1257698551, 2515397102, 5030794204, 10061588408, 20123176816]

約数ペア:

[(1, 20123176816), (2, 10061588408), (4, 5030794204), (8, 2515397102), (16, 1257698551), (31, 649134736), (62, 324567368), (124, 162283684), (248, 81141842), (496, 40570921), (997, 20183728), (1994, 10091864), (3988, 5045932), (7976, 2522966), (15952, 1261483), (30907, 651088), (40693, 494512), (61814, 325544), (81386, 247256), (123628, 162772)]