20729040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{86371}}^1$

素因数の和:86387

約数の個数: 40

約数和(自身を含む): 64260768

約数和(自身を除く): 43531728

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 86371, 172742, 259113, 345484, 431855, 518226, 690968, 863710, 1036452, 1295565, 1381936, 1727420, 2072904, 2591130, 3454840, 4145808, 5182260, 6909680, 10364520, 20729040]

約数ペア:

[(1, 20729040), (2, 10364520), (3, 6909680), (4, 5182260), (5, 4145808), (6, 3454840), (8, 2591130), (10, 2072904), (12, 1727420), (15, 1381936), (16, 1295565), (20, 1036452), (24, 863710), (30, 690968), (40, 518226), (48, 431855), (60, 345484), (80, 259113), (120, 172742), (240, 86371)]