20623668

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1811}}^1$

素因数の和:1904

約数の個数: 48

約数和(自身を含む): 52562496

約数和(自身を除く): 31938828

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 73, 78, 146, 156, 219, 292, 438, 876, 949, 1811, 1898, 2847, 3622, 3796, 5433, 5694, 7244, 10866, 11388, 21732, 23543, 47086, 70629, 94172, 132203, 141258, 264406, 282516, 396609, 528812, 793218, 1586436, 1718639, 3437278, 5155917, 6874556, 10311834, 20623668]

約数ペア:

[(1, 20623668), (2, 10311834), (3, 6874556), (4, 5155917), (6, 3437278), (12, 1718639), (13, 1586436), (26, 793218), (39, 528812), (52, 396609), (73, 282516), (78, 264406), (146, 141258), (156, 132203), (219, 94172), (292, 70629), (438, 47086), (876, 23543), (949, 21732), (1811, 11388), (1898, 10866), (2847, 7244), (3622, 5694), (3796, 5433)]