20949896

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{751}}^1$

素因数の和:1085

約数の個数: 32

約数和(自身を含む): 43044480

約数和(自身を除く): 22094584

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 317, 634, 751, 1268, 1502, 2536, 3004, 3487, 6008, 6974, 8261, 13948, 16522, 27896, 33044, 66088, 238067, 476134, 952268, 1904536, 2618737, 5237474, 10474948, 20949896]

約数ペア:

[(1, 20949896), (2, 10474948), (4, 5237474), (8, 2618737), (11, 1904536), (22, 952268), (44, 476134), (88, 238067), (317, 66088), (634, 33044), (751, 27896), (1268, 16522), (1502, 13948), (2536, 8261), (3004, 6974), (3487, 6008)]