20199456225

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{363463}}^1$

素因数の和:363511

約数の個数: 72

約数和(自身を含む): 41013277760

約数和(自身を除く): 20813821535

約数列:

[1, 3, 5, 9, 13, 15, 19, 25, 39, 45, 57, 65, 75, 95, 117, 171, 195, 225, 247, 285, 325, 475, 585, 741, 855, 975, 1235, 1425, 2223, 2925, 3705, 4275, 6175, 11115, 18525, 55575, 363463, 1090389, 1817315, 3271167, 4725019, 5451945, 6905797, 9086575, 14175057, 16355835, 20717391, 23625095, 27259725, 34528985, 42525171, 62152173, 70875285, 81779175, 89775361, 103586955, 118125475, 172644925, 212625855, 269326083, 310760865, 354376425, 448876805, 517934775, 807978249, 1063129275, 1346630415, 1553804325, 2244384025, 4039891245, 6733152075, 20199456225]

約数ペア:

[(1, 20199456225), (3, 6733152075), (5, 4039891245), (9, 2244384025), (13, 1553804325), (15, 1346630415), (19, 1063129275), (25, 807978249), (39, 517934775), (45, 448876805), (57, 354376425), (65, 310760865), (75, 269326083), (95, 212625855), (117, 172644925), (171, 118125475), (195, 103586955), (225, 89775361), (247, 81779175), (285, 70875285), (325, 62152173), (475, 42525171), (585, 34528985), (741, 27259725), (855, 23625095), (975, 20717391), (1235, 16355835), (1425, 14175057), (2223, 9086575), (2925, 6905797), (3705, 5451945), (4275, 4725019), (6175, 3271167), (11115, 1817315), (18525, 1090389), (55575, 363463)]