20065578

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1487}}^1$

素因数の和:1678

約数の個数: 32

約数和(自身を含む): 43497216

約数和(自身を除く): 23431638

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 173, 346, 519, 1038, 1487, 2249, 2974, 4461, 4498, 6747, 8922, 13494, 19331, 38662, 57993, 115986, 257251, 514502, 771753, 1543506, 3344263, 6688526, 10032789, 20065578]

約数ペア:

[(1, 20065578), (2, 10032789), (3, 6688526), (6, 3344263), (13, 1543506), (26, 771753), (39, 514502), (78, 257251), (173, 115986), (346, 57993), (519, 38662), (1038, 19331), (1487, 13494), (2249, 8922), (2974, 6747), (4461, 4498)]