20199751922

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1021}}^1\times {\mathrm{74377}}^1$

素因数の和:75426

約数の個数: 32

約数和(自身を含む): 36486871680

約数和(自身を除く): 16287119758

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 1021, 2042, 7147, 14294, 19399, 38798, 74377, 135793, 148754, 271586, 520639, 1041278, 1413163, 2826326, 9892141, 19784282, 75938917, 151877834, 531572419, 1063144838, 1442839423, 2885678846, 10099875961, 20199751922]

約数ペア:

[(1, 20199751922), (2, 10099875961), (7, 2885678846), (14, 1442839423), (19, 1063144838), (38, 531572419), (133, 151877834), (266, 75938917), (1021, 19784282), (2042, 9892141), (7147, 2826326), (14294, 1413163), (19399, 1041278), (38798, 520639), (74377, 271586), (135793, 148754)]