2020229920

素因数分解:

$2^5\times 5^1\times {\mathrm{191}}^1\times {\mathrm{66107}}^1$

素因数の和:66313

約数の個数: 48

約数和(自身を含む): 4797854208

約数和(自身を除く): 2777624288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 191, 382, 764, 955, 1528, 1910, 3056, 3820, 6112, 7640, 15280, 30560, 66107, 132214, 264428, 330535, 528856, 661070, 1057712, 1322140, 2115424, 2644280, 5288560, 10577120, 12626437, 25252874, 50505748, 63132185, 101011496, 126264370, 202022992, 252528740, 404045984, 505057480, 1010114960, 2020229920]

約数ペア:

[(1, 2020229920), (2, 1010114960), (4, 505057480), (5, 404045984), (8, 252528740), (10, 202022992), (16, 126264370), (20, 101011496), (32, 63132185), (40, 50505748), (80, 25252874), (160, 12626437), (191, 10577120), (382, 5288560), (764, 2644280), (955, 2115424), (1528, 1322140), (1910, 1057712), (3056, 661070), (3820, 528856), (6112, 330535), (7640, 264428), (15280, 132214), (30560, 66107)]