20162870775

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1553}}^1\times {\mathrm{3037}}^1$

素因数の和:4625

約数の個数: 72

約数和(自身を含む): 38051679120

約数和(自身を除く): 17888808345

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 225, 285, 475, 855, 1425, 1553, 3037, 4275, 4659, 7765, 9111, 13977, 15185, 23295, 27333, 29507, 38825, 45555, 57703, 69885, 75925, 88521, 116475, 136665, 147535, 173109, 227775, 265563, 288515, 349425, 442605, 519327, 683325, 737675, 865545, 1327815, 1442575, 2213025, 2596635, 4327725, 4716461, 6639075, 12983175, 14149383, 23582305, 42448149, 70746915, 89612759, 117911525, 212240745, 268838277, 353734575, 448063795, 806514831, 1061203725, 1344191385, 2240318975, 4032574155, 6720956925, 20162870775]

約数ペア:

[(1, 20162870775), (3, 6720956925), (5, 4032574155), (9, 2240318975), (15, 1344191385), (19, 1061203725), (25, 806514831), (45, 448063795), (57, 353734575), (75, 268838277), (95, 212240745), (171, 117911525), (225, 89612759), (285, 70746915), (475, 42448149), (855, 23582305), (1425, 14149383), (1553, 12983175), (3037, 6639075), (4275, 4716461), (4659, 4327725), (7765, 2596635), (9111, 2213025), (13977, 1442575), (15185, 1327815), (23295, 865545), (27333, 737675), (29507, 683325), (38825, 519327), (45555, 442605), (57703, 349425), (69885, 288515), (75925, 265563), (88521, 227775), (116475, 173109), (136665, 147535)]