20987472

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{39749}}^1$

素因数の和:39771

約数の個数: 40

約数和(自身を含む): 59148000

約数和(自身を除く): 38160528

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 264, 528, 39749, 79498, 119247, 158996, 238494, 317992, 437239, 476988, 635984, 874478, 953976, 1311717, 1748956, 1907952, 2623434, 3497912, 5246868, 6995824, 10493736, 20987472]

約数ペア:

[(1, 20987472), (2, 10493736), (3, 6995824), (4, 5246868), (6, 3497912), (8, 2623434), (11, 1907952), (12, 1748956), (16, 1311717), (22, 953976), (24, 874478), (33, 635984), (44, 476988), (48, 437239), (66, 317992), (88, 238494), (132, 158996), (176, 119247), (264, 79498), (528, 39749)]