20460147502005

素因数分解:

$3^4\times 5^1\times {\mathrm{1303}}^1\times {\mathrm{5581}}^1\times {\mathrm{6947}}^1$

素因数の和:13848

約数の個数: 80

約数和(自身を含む): 36716718006144

約数和(自身を除く): 16256570504139

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 1303, 3909, 5581, 6515, 6947, 11727, 16743, 19545, 20841, 27905, 34735, 35181, 50229, 58635, 62523, 83715, 104205, 105543, 150687, 175905, 187569, 251145, 312615, 452061, 527715, 562707, 753435, 937845, 2260305, 2813535, 7272043, 9051941, 21816129, 27155823, 36360215, 38771207, 45259705, 65448387, 81467469, 109080645, 116313621, 135779115, 193856035, 196345161, 244402407, 327241935, 348940863, 407337345, 581568105, 589035483, 733207221, 981725805, 1046822589, 1222012035, 1744704315, 2945177415, 3140467767, 3666036105, 5234112945, 15702338835, 50518882721, 151556648163, 252594413605, 454669944489, 757783240815, 1364009833467, 2273349722445, 4092029500401, 6820049167335, 20460147502005]

約数ペア:

[(1, 20460147502005), (3, 6820049167335), (5, 4092029500401), (9, 2273349722445), (15, 1364009833467), (27, 757783240815), (45, 454669944489), (81, 252594413605), (135, 151556648163), (405, 50518882721), (1303, 15702338835), (3909, 5234112945), (5581, 3666036105), (6515, 3140467767), (6947, 2945177415), (11727, 1744704315), (16743, 1222012035), (19545, 1046822589), (20841, 981725805), (27905, 733207221), (34735, 589035483), (35181, 581568105), (50229, 407337345), (58635, 348940863), (62523, 327241935), (83715, 244402407), (104205, 196345161), (105543, 193856035), (150687, 135779115), (175905, 116313621), (187569, 109080645), (251145, 81467469), (312615, 65448387), (452061, 45259705), (527715, 38771207), (562707, 36360215), (753435, 27155823), (937845, 21816129), (2260305, 9051941), (2813535, 7272043)]