20306398

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2081}}^1$

素因数の和:2148

約数の個数: 32

約数和(自身を含む): 37775808

約数和(自身を除く): 17469410

約数列:

[1, 2, 7, 14, 17, 34, 41, 82, 119, 238, 287, 574, 697, 1394, 2081, 4162, 4879, 9758, 14567, 29134, 35377, 70754, 85321, 170642, 247639, 495278, 597247, 1194494, 1450457, 2900914, 10153199, 20306398]

約数ペア:

[(1, 20306398), (2, 10153199), (7, 2900914), (14, 1450457), (17, 1194494), (34, 597247), (41, 495278), (82, 247639), (119, 170642), (238, 85321), (287, 70754), (574, 35377), (697, 29134), (1394, 14567), (2081, 9758), (4162, 4879)]