201619152020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{70496207}}^1$

素因数の和:70496240

約数の個数: 48

約数和(自身を含む): 497421243648

約数和(自身を除く): 295802091628

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 70496207, 140992414, 281984828, 352481035, 704962070, 775458277, 916450691, 1409924140, 1550916554, 1832901382, 3101833108, 3665802764, 3877291385, 4582253455, 7754582770, 9164506910, 10080957601, 15509165540, 18329013820, 20161915202, 40323830404, 50404788005, 100809576010, 201619152020]

約数ペア:

[(1, 201619152020), (2, 100809576010), (4, 50404788005), (5, 40323830404), (10, 20161915202), (11, 18329013820), (13, 15509165540), (20, 10080957601), (22, 9164506910), (26, 7754582770), (44, 4582253455), (52, 3877291385), (55, 3665802764), (65, 3101833108), (110, 1832901382), (130, 1550916554), (143, 1409924140), (220, 916450691), (260, 775458277), (286, 704962070), (572, 352481035), (715, 281984828), (1430, 140992414), (2860, 70496207)]