20477940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{48757}}^1$

素因数の和:48776

約数の個数: 48

約数和(自身を含む): 65530752

約数和(自身を除く): 45052812

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 48757, 97514, 146271, 195028, 243785, 292542, 341299, 487570, 585084, 682598, 731355, 975140, 1023897, 1365196, 1462710, 1706495, 2047794, 2925420, 3412990, 4095588, 5119485, 6825980, 10238970, 20477940]

約数ペア:

[(1, 20477940), (2, 10238970), (3, 6825980), (4, 5119485), (5, 4095588), (6, 3412990), (7, 2925420), (10, 2047794), (12, 1706495), (14, 1462710), (15, 1365196), (20, 1023897), (21, 975140), (28, 731355), (30, 682598), (35, 585084), (42, 487570), (60, 341299), (70, 292542), (84, 243785), (105, 195028), (140, 146271), (210, 97514), (420, 48757)]