20404260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{113357}}^1$

素因数の和:113372

約数の個数: 36

約数和(自身を含む): 61893468

約数和(自身を除く): 41489208

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 113357, 226714, 340071, 453428, 566785, 680142, 1020213, 1133570, 1360284, 1700355, 2040426, 2267140, 3400710, 4080852, 5101065, 6801420, 10202130, 20404260]

約数ペア:

[(1, 20404260), (2, 10202130), (3, 6801420), (4, 5101065), (5, 4080852), (6, 3400710), (9, 2267140), (10, 2040426), (12, 1700355), (15, 1360284), (18, 1133570), (20, 1020213), (30, 680142), (36, 566785), (45, 453428), (60, 340071), (90, 226714), (180, 113357)]