20767768

素因数分解:

$2^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1709}}^1$

素因数の和:1760

約数の個数: 48

約数和(自身を含む): 46785600

約数和(自身を除く): 26017832

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 49, 56, 62, 98, 124, 196, 217, 248, 392, 434, 868, 1519, 1709, 1736, 3038, 3418, 6076, 6836, 11963, 12152, 13672, 23926, 47852, 52979, 83741, 95704, 105958, 167482, 211916, 334964, 370853, 423832, 669928, 741706, 1483412, 2595971, 2966824, 5191942, 10383884, 20767768]

約数ペア:

[(1, 20767768), (2, 10383884), (4, 5191942), (7, 2966824), (8, 2595971), (14, 1483412), (28, 741706), (31, 669928), (49, 423832), (56, 370853), (62, 334964), (98, 211916), (124, 167482), (196, 105958), (217, 95704), (248, 83741), (392, 52979), (434, 47852), (868, 23926), (1519, 13672), (1709, 12152), (1736, 11963), (3038, 6836), (3418, 6076)]