20993250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{1217}}^1$

素因数の和:1260

約数の個数: 64

約数和(自身を含む): 54722304

約数和(自身を除く): 33729054

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 25, 30, 46, 50, 69, 75, 115, 125, 138, 150, 230, 250, 345, 375, 575, 690, 750, 1150, 1217, 1725, 2434, 2875, 3450, 3651, 5750, 6085, 7302, 8625, 12170, 17250, 18255, 27991, 30425, 36510, 55982, 60850, 83973, 91275, 139955, 152125, 167946, 182550, 279910, 304250, 419865, 456375, 699775, 839730, 912750, 1399550, 2099325, 3498875, 4198650, 6997750, 10496625, 20993250]

約数ペア:

[(1, 20993250), (2, 10496625), (3, 6997750), (5, 4198650), (6, 3498875), (10, 2099325), (15, 1399550), (23, 912750), (25, 839730), (30, 699775), (46, 456375), (50, 419865), (69, 304250), (75, 279910), (115, 182550), (125, 167946), (138, 152125), (150, 139955), (230, 91275), (250, 83973), (345, 60850), (375, 55982), (575, 36510), (690, 30425), (750, 27991), (1150, 18255), (1217, 17250), (1725, 12170), (2434, 8625), (2875, 7302), (3450, 6085), (3651, 5750)]