20976420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8527}}^1$

素因数の和:8580

約数の個数: 48

約数和(自身を含む): 60173568

約数和(自身を除く): 39197148

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 8527, 17054, 25581, 34108, 42635, 51162, 85270, 102324, 127905, 170540, 255810, 349607, 511620, 699214, 1048821, 1398428, 1748035, 2097642, 3496070, 4195284, 5244105, 6992140, 10488210, 20976420]

約数ペア:

[(1, 20976420), (2, 10488210), (3, 6992140), (4, 5244105), (5, 4195284), (6, 3496070), (10, 2097642), (12, 1748035), (15, 1398428), (20, 1048821), (30, 699214), (41, 511620), (60, 349607), (82, 255810), (123, 170540), (164, 127905), (205, 102324), (246, 85270), (410, 51162), (492, 42635), (615, 34108), (820, 25581), (1230, 17054), (2460, 8527)]