20420880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{85087}}^1$

素因数の和:85103

約数の個数: 40

約数和(自身を含む): 63305472

約数和(自身を除く): 42884592

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 85087, 170174, 255261, 340348, 425435, 510522, 680696, 850870, 1021044, 1276305, 1361392, 1701740, 2042088, 2552610, 3403480, 4084176, 5105220, 6806960, 10210440, 20420880]

約数ペア:

[(1, 20420880), (2, 10210440), (3, 6806960), (4, 5105220), (5, 4084176), (6, 3403480), (8, 2552610), (10, 2042088), (12, 1701740), (15, 1361392), (16, 1276305), (20, 1021044), (24, 850870), (30, 680696), (40, 510522), (48, 425435), (60, 340348), (80, 255261), (120, 170174), (240, 85087)]