20899696972

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{9693737}}^1$

素因数の和:9693766

約数の個数: 36

約数和(自身を含む): 46413617544

約数和(自身を除く): 25513920572

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 539, 1078, 2156, 9693737, 19387474, 38774948, 67856159, 106631107, 135712318, 213262214, 271424636, 426524428, 474993113, 746417749, 949986226, 1492835498, 1899972452, 2985670996, 5224924243, 10449848486, 20899696972]

約数ペア:

[(1, 20899696972), (2, 10449848486), (4, 5224924243), (7, 2985670996), (11, 1899972452), (14, 1492835498), (22, 949986226), (28, 746417749), (44, 474993113), (49, 426524428), (77, 271424636), (98, 213262214), (154, 135712318), (196, 106631107), (308, 67856159), (539, 38774948), (1078, 19387474), (2156, 9693737)]