20324940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{11681}}^1$

素因数の和:11722

約数の個数: 48

約数和(自身を含む): 58877280

約数和(自身を除く): 38552340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 11681, 23362, 35043, 46724, 58405, 70086, 116810, 140172, 175215, 233620, 338749, 350430, 677498, 700860, 1016247, 1354996, 1693745, 2032494, 3387490, 4064988, 5081235, 6774980, 10162470, 20324940]

約数ペア:

[(1, 20324940), (2, 10162470), (3, 6774980), (4, 5081235), (5, 4064988), (6, 3387490), (10, 2032494), (12, 1693745), (15, 1354996), (20, 1016247), (29, 700860), (30, 677498), (58, 350430), (60, 338749), (87, 233620), (116, 175215), (145, 140172), (174, 116810), (290, 70086), (348, 58405), (435, 46724), (580, 35043), (870, 23362), (1740, 11681)]