20233100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{463}}^1$

素因数の和:519

約数の個数: 72

約数和(自身を含む): 48330240

約数和(自身を除く): 28097140

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 25, 38, 46, 50, 76, 92, 95, 100, 115, 190, 230, 380, 437, 460, 463, 475, 575, 874, 926, 950, 1150, 1748, 1852, 1900, 2185, 2300, 2315, 4370, 4630, 8740, 8797, 9260, 10649, 10925, 11575, 17594, 21298, 21850, 23150, 35188, 42596, 43700, 43985, 46300, 53245, 87970, 106490, 175940, 202331, 212980, 219925, 266225, 404662, 439850, 532450, 809324, 879700, 1011655, 1064900, 2023310, 4046620, 5058275, 10116550, 20233100]

約数ペア:

[(1, 20233100), (2, 10116550), (4, 5058275), (5, 4046620), (10, 2023310), (19, 1064900), (20, 1011655), (23, 879700), (25, 809324), (38, 532450), (46, 439850), (50, 404662), (76, 266225), (92, 219925), (95, 212980), (100, 202331), (115, 175940), (190, 106490), (230, 87970), (380, 53245), (437, 46300), (460, 43985), (463, 43700), (475, 42596), (575, 35188), (874, 23150), (926, 21850), (950, 21298), (1150, 17594), (1748, 11575), (1852, 10925), (1900, 10649), (2185, 9260), (2300, 8797), (2315, 8740), (4370, 4630)]