20199522588

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{726497}}^1$

素因数の和:726842

約数の個数: 48

約数和(自身を含む): 54028203264

約数和(自身を除く): 33828680676

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 331, 662, 993, 1324, 1986, 2317, 3972, 4634, 6951, 9268, 13902, 27804, 726497, 1452994, 2179491, 2905988, 4358982, 5085479, 8717964, 10170958, 15256437, 20341916, 30512874, 61025748, 240470507, 480941014, 721411521, 961882028, 1442823042, 1683293549, 2885646084, 3366587098, 5049880647, 6733174196, 10099761294, 20199522588]

約数ペア:

[(1, 20199522588), (2, 10099761294), (3, 6733174196), (4, 5049880647), (6, 3366587098), (7, 2885646084), (12, 1683293549), (14, 1442823042), (21, 961882028), (28, 721411521), (42, 480941014), (84, 240470507), (331, 61025748), (662, 30512874), (993, 20341916), (1324, 15256437), (1986, 10170958), (2317, 8717964), (3972, 5085479), (4634, 4358982), (6951, 2905988), (9268, 2179491), (13902, 1452994), (27804, 726497)]