20753152

素因数分解:

$2^8\times 7^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1$

素因数の和:373

約数の個数: 72

約数和(自身を含む): 48778016

約数和(自身を除く): 28024864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 56, 64, 74, 112, 128, 148, 224, 256, 259, 296, 313, 448, 518, 592, 626, 896, 1036, 1184, 1252, 1792, 2072, 2191, 2368, 2504, 4144, 4382, 4736, 5008, 8288, 8764, 9472, 10016, 11581, 16576, 17528, 20032, 23162, 33152, 35056, 40064, 46324, 66304, 70112, 80128, 81067, 92648, 140224, 162134, 185296, 280448, 324268, 370592, 560896, 648536, 741184, 1297072, 1482368, 2594144, 2964736, 5188288, 10376576, 20753152]

約数ペア:

[(1, 20753152), (2, 10376576), (4, 5188288), (7, 2964736), (8, 2594144), (14, 1482368), (16, 1297072), (28, 741184), (32, 648536), (37, 560896), (56, 370592), (64, 324268), (74, 280448), (112, 185296), (128, 162134), (148, 140224), (224, 92648), (256, 81067), (259, 80128), (296, 70112), (313, 66304), (448, 46324), (518, 40064), (592, 35056), (626, 33152), (896, 23162), (1036, 20032), (1184, 17528), (1252, 16576), (1792, 11581), (2072, 10016), (2191, 9472), (2368, 8764), (2504, 8288), (4144, 5008), (4382, 4736)]