20246380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13147}}^1$

素因数の和:13174

約数の個数: 48

約数和(自身を含む): 53012736

約数和(自身を除く): 32766356

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 13147, 26294, 52588, 65735, 92029, 131470, 144617, 184058, 262940, 289234, 368116, 460145, 578468, 723085, 920290, 1012319, 1446170, 1840580, 2024638, 2892340, 4049276, 5061595, 10123190, 20246380]

約数ペア:

[(1, 20246380), (2, 10123190), (4, 5061595), (5, 4049276), (7, 2892340), (10, 2024638), (11, 1840580), (14, 1446170), (20, 1012319), (22, 920290), (28, 723085), (35, 578468), (44, 460145), (55, 368116), (70, 289234), (77, 262940), (110, 184058), (140, 144617), (154, 131470), (220, 92029), (308, 65735), (385, 52588), (770, 26294), (1540, 13147)]