20168964915

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{317}}^1\times {\mathrm{2309}}^1$

素因数の和:2812

約数の個数: 64

約数和(自身を含む): 35541918720

約数和(自身を除く): 15372953805

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 167, 317, 501, 835, 951, 1585, 1837, 2309, 2505, 3487, 4755, 5511, 6927, 9185, 10461, 11545, 17435, 25399, 27555, 34635, 52305, 52939, 76197, 126995, 158817, 264695, 380985, 385603, 582329, 731953, 794085, 1156809, 1746987, 1928015, 2195859, 2911645, 3659765, 4241633, 5784045, 8051483, 8734935, 10979295, 12724899, 21208165, 24154449, 40257415, 63624495, 120772245, 122236151, 366708453, 611180755, 1344597661, 1833542265, 4033792983, 6722988305, 20168964915]

約数ペア:

[(1, 20168964915), (3, 6722988305), (5, 4033792983), (11, 1833542265), (15, 1344597661), (33, 611180755), (55, 366708453), (165, 122236151), (167, 120772245), (317, 63624495), (501, 40257415), (835, 24154449), (951, 21208165), (1585, 12724899), (1837, 10979295), (2309, 8734935), (2505, 8051483), (3487, 5784045), (4755, 4241633), (5511, 3659765), (6927, 2911645), (9185, 2195859), (10461, 1928015), (11545, 1746987), (17435, 1156809), (25399, 794085), (27555, 731953), (34635, 582329), (52305, 385603), (52939, 380985), (76197, 264695), (126995, 158817)]