20360280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{383}}^1\times {\mathrm{443}}^1$

素因数の和:840

約数の個数: 64

約数和(自身を含む): 61378560

約数和(自身を除く): 41018280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 383, 443, 766, 886, 1149, 1329, 1532, 1772, 1915, 2215, 2298, 2658, 3064, 3544, 3830, 4430, 4596, 5316, 5745, 6645, 7660, 8860, 9192, 10632, 11490, 13290, 15320, 17720, 22980, 26580, 45960, 53160, 169669, 339338, 509007, 678676, 848345, 1018014, 1357352, 1696690, 2036028, 2545035, 3393380, 4072056, 5090070, 6786760, 10180140, 20360280]

約数ペア:

[(1, 20360280), (2, 10180140), (3, 6786760), (4, 5090070), (5, 4072056), (6, 3393380), (8, 2545035), (10, 2036028), (12, 1696690), (15, 1357352), (20, 1018014), (24, 848345), (30, 678676), (40, 509007), (60, 339338), (120, 169669), (383, 53160), (443, 45960), (766, 26580), (886, 22980), (1149, 17720), (1329, 15320), (1532, 13290), (1772, 11490), (1915, 10632), (2215, 9192), (2298, 8860), (2658, 7660), (3064, 6645), (3544, 5745), (3830, 5316), (4430, 4596)]