20187215860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1319}}^1\times {\mathrm{109321}}^1$

素因数の和:110656

約数の個数: 48

約数和(自身を含む): 48486493440

約数和(自身を除く): 28299277580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1319, 2638, 5276, 6595, 9233, 13190, 18466, 26380, 36932, 46165, 92330, 109321, 184660, 218642, 437284, 546605, 765247, 1093210, 1530494, 2186420, 3060988, 3826235, 7652470, 15304940, 144194399, 288388798, 576777596, 720971995, 1009360793, 1441943990, 2018721586, 2883887980, 4037443172, 5046803965, 10093607930, 20187215860]

約数ペア:

[(1, 20187215860), (2, 10093607930), (4, 5046803965), (5, 4037443172), (7, 2883887980), (10, 2018721586), (14, 1441943990), (20, 1009360793), (28, 720971995), (35, 576777596), (70, 288388798), (140, 144194399), (1319, 15304940), (2638, 7652470), (5276, 3826235), (6595, 3060988), (9233, 2186420), (13190, 1530494), (18466, 1093210), (26380, 765247), (36932, 546605), (46165, 437284), (92330, 218642), (109321, 184660)]