20560620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{317}}^1$

素因数の和:399

約数の個数: 96

約数和(自身を含む): 61544448

約数和(自身を除く): 40983828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 47, 60, 69, 92, 94, 115, 138, 141, 188, 230, 235, 276, 282, 317, 345, 460, 470, 564, 634, 690, 705, 940, 951, 1081, 1268, 1380, 1410, 1585, 1902, 2162, 2820, 3170, 3243, 3804, 4324, 4755, 5405, 6340, 6486, 7291, 9510, 10810, 12972, 14582, 14899, 16215, 19020, 21620, 21873, 29164, 29798, 32430, 36455, 43746, 44697, 59596, 64860, 72910, 74495, 87492, 89394, 109365, 145820, 148990, 178788, 218730, 223485, 297980, 342677, 437460, 446970, 685354, 893940, 1028031, 1370708, 1713385, 2056062, 3426770, 4112124, 5140155, 6853540, 10280310, 20560620]

約数ペア:

[(1, 20560620), (2, 10280310), (3, 6853540), (4, 5140155), (5, 4112124), (6, 3426770), (10, 2056062), (12, 1713385), (15, 1370708), (20, 1028031), (23, 893940), (30, 685354), (46, 446970), (47, 437460), (60, 342677), (69, 297980), (92, 223485), (94, 218730), (115, 178788), (138, 148990), (141, 145820), (188, 109365), (230, 89394), (235, 87492), (276, 74495), (282, 72910), (317, 64860), (345, 59596), (460, 44697), (470, 43746), (564, 36455), (634, 32430), (690, 29798), (705, 29164), (940, 21873), (951, 21620), (1081, 19020), (1268, 16215), (1380, 14899), (1410, 14582), (1585, 12972), (1902, 10810), (2162, 9510), (2820, 7291), (3170, 6486), (3243, 6340), (3804, 5405), (4324, 4755)]