20418060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26177}}^1$

素因数の和:26202

約数の個数: 48

約数和(自身を含む): 61570656

約数和(自身を除く): 41152596

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 26177, 52354, 78531, 104708, 130885, 157062, 261770, 314124, 340301, 392655, 523540, 680602, 785310, 1020903, 1361204, 1570620, 1701505, 2041806, 3403010, 4083612, 5104515, 6806020, 10209030, 20418060]

約数ペア:

[(1, 20418060), (2, 10209030), (3, 6806020), (4, 5104515), (5, 4083612), (6, 3403010), (10, 2041806), (12, 1701505), (13, 1570620), (15, 1361204), (20, 1020903), (26, 785310), (30, 680602), (39, 523540), (52, 392655), (60, 340301), (65, 314124), (78, 261770), (130, 157062), (156, 130885), (195, 104708), (260, 78531), (390, 52354), (780, 26177)]