20304032

素因数分解:

$2^5\times 7^2\times {\mathrm{23}}^1\times {\mathrm{563}}^1$

素因数の和:610

約数の個数: 72

約数和(自身を含む): 48607776

約数和(自身を除く): 28303744

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 49, 56, 92, 98, 112, 161, 184, 196, 224, 322, 368, 392, 563, 644, 736, 784, 1126, 1127, 1288, 1568, 2252, 2254, 2576, 3941, 4504, 4508, 5152, 7882, 9008, 9016, 12949, 15764, 18016, 18032, 25898, 27587, 31528, 36064, 51796, 55174, 63056, 90643, 103592, 110348, 126112, 181286, 207184, 220696, 362572, 414368, 441392, 634501, 725144, 882784, 1269002, 1450288, 2538004, 2900576, 5076008, 10152016, 20304032]

約数ペア:

[(1, 20304032), (2, 10152016), (4, 5076008), (7, 2900576), (8, 2538004), (14, 1450288), (16, 1269002), (23, 882784), (28, 725144), (32, 634501), (46, 441392), (49, 414368), (56, 362572), (92, 220696), (98, 207184), (112, 181286), (161, 126112), (184, 110348), (196, 103592), (224, 90643), (322, 63056), (368, 55174), (392, 51796), (563, 36064), (644, 31528), (736, 27587), (784, 25898), (1126, 18032), (1127, 18016), (1288, 15764), (1568, 12949), (2252, 9016), (2254, 9008), (2576, 7882), (3941, 5152), (4504, 4508)]