20285070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{4001}}^1$

素因数の和:4037

約数の個数: 48

約数和(自身を含む): 52730352

約数和(自身を除く): 32445282

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 169, 195, 338, 390, 507, 845, 1014, 1690, 2535, 4001, 5070, 8002, 12003, 20005, 24006, 40010, 52013, 60015, 104026, 120030, 156039, 260065, 312078, 520130, 676169, 780195, 1352338, 1560390, 2028507, 3380845, 4057014, 6761690, 10142535, 20285070]

約数ペア:

[(1, 20285070), (2, 10142535), (3, 6761690), (5, 4057014), (6, 3380845), (10, 2028507), (13, 1560390), (15, 1352338), (26, 780195), (30, 676169), (39, 520130), (65, 312078), (78, 260065), (130, 156039), (169, 120030), (195, 104026), (338, 60015), (390, 52013), (507, 40010), (845, 24006), (1014, 20005), (1690, 12003), (2535, 8002), (4001, 5070)]