20439456

素因数分解:

$2^5\times 3^1\times {\mathrm{23}}^1\times {\mathrm{9257}}^1$

素因数の和:9293

約数の個数: 48

約数和(自身を含む): 55992384

約数和(自身を除く): 35552928

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 69, 92, 96, 138, 184, 276, 368, 552, 736, 1104, 2208, 9257, 18514, 27771, 37028, 55542, 74056, 111084, 148112, 212911, 222168, 296224, 425822, 444336, 638733, 851644, 888672, 1277466, 1703288, 2554932, 3406576, 5109864, 6813152, 10219728, 20439456]

約数ペア:

[(1, 20439456), (2, 10219728), (3, 6813152), (4, 5109864), (6, 3406576), (8, 2554932), (12, 1703288), (16, 1277466), (23, 888672), (24, 851644), (32, 638733), (46, 444336), (48, 425822), (69, 296224), (92, 222168), (96, 212911), (138, 148112), (184, 111084), (276, 74056), (368, 55542), (552, 37028), (736, 27771), (1104, 18514), (2208, 9257)]