20666744

素因数分解:

$2^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{3583}}^1$

素因数の和:3699

約数の個数: 32

約数和(自身を含む): 44728320

約数和(自身を除く): 24061576

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 103, 206, 412, 721, 824, 1442, 2884, 3583, 5768, 7166, 14332, 25081, 28664, 50162, 100324, 200648, 369049, 738098, 1476196, 2583343, 2952392, 5166686, 10333372, 20666744]

約数ペア:

[(1, 20666744), (2, 10333372), (4, 5166686), (7, 2952392), (8, 2583343), (14, 1476196), (28, 738098), (56, 369049), (103, 200648), (206, 100324), (412, 50162), (721, 28664), (824, 25081), (1442, 14332), (2884, 7166), (3583, 5768)]