20169045

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1499}}^1$

素因数の和:1546

約数の個数: 48

約数和(自身を含む): 39312000

約数和(自身を除く): 19142955

約数列:

[1, 3, 5, 9, 13, 15, 23, 39, 45, 65, 69, 115, 117, 195, 207, 299, 345, 585, 897, 1035, 1495, 1499, 2691, 4485, 4497, 7495, 13455, 13491, 19487, 22485, 34477, 58461, 67455, 97435, 103431, 172385, 175383, 292305, 310293, 448201, 517155, 876915, 1344603, 1551465, 2241005, 4033809, 6723015, 20169045]

約数ペア:

[(1, 20169045), (3, 6723015), (5, 4033809), (9, 2241005), (13, 1551465), (15, 1344603), (23, 876915), (39, 517155), (45, 448201), (65, 310293), (69, 292305), (115, 175383), (117, 172385), (195, 103431), (207, 97435), (299, 67455), (345, 58461), (585, 34477), (897, 22485), (1035, 19487), (1495, 13491), (1499, 13455), (2691, 7495), (4485, 4497)]