20196349744

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{739}}^1\times {\mathrm{89899}}^1$

素因数の和:90665

約数の個数: 40

約数和(自身を含む): 41246120000

約数和(自身を除く): 21049770256

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 739, 1478, 2956, 5912, 11824, 14041, 28082, 56164, 89899, 112328, 179798, 224656, 359596, 719192, 1438384, 1708081, 3416162, 6832324, 13664648, 27329296, 66435361, 132870722, 265741444, 531482888, 1062965776, 1262271859, 2524543718, 5049087436, 10098174872, 20196349744]

約数ペア:

[(1, 20196349744), (2, 10098174872), (4, 5049087436), (8, 2524543718), (16, 1262271859), (19, 1062965776), (38, 531482888), (76, 265741444), (152, 132870722), (304, 66435361), (739, 27329296), (1478, 13664648), (2956, 6832324), (5912, 3416162), (11824, 1708081), (14041, 1438384), (28082, 719192), (56164, 359596), (89899, 224656), (112328, 179798)]