20355104

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^2\times {\mathrm{751}}^1$

素因数の和:790

約数の個数: 72

約数和(自身を含む): 50408064

約数和(自身を除く): 30052960

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 77, 88, 112, 121, 154, 176, 224, 242, 308, 352, 484, 616, 751, 847, 968, 1232, 1502, 1694, 1936, 2464, 3004, 3388, 3872, 5257, 6008, 6776, 8261, 10514, 12016, 13552, 16522, 21028, 24032, 27104, 33044, 42056, 57827, 66088, 84112, 90871, 115654, 132176, 168224, 181742, 231308, 264352, 363484, 462616, 636097, 726968, 925232, 1272194, 1453936, 1850464, 2544388, 2907872, 5088776, 10177552, 20355104]

約数ペア:

[(1, 20355104), (2, 10177552), (4, 5088776), (7, 2907872), (8, 2544388), (11, 1850464), (14, 1453936), (16, 1272194), (22, 925232), (28, 726968), (32, 636097), (44, 462616), (56, 363484), (77, 264352), (88, 231308), (112, 181742), (121, 168224), (154, 132176), (176, 115654), (224, 90871), (242, 84112), (308, 66088), (352, 57827), (484, 42056), (616, 33044), (751, 27104), (847, 24032), (968, 21028), (1232, 16522), (1502, 13552), (1694, 12016), (1936, 10514), (2464, 8261), (3004, 6776), (3388, 6008), (3872, 5257)]