20529348

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{677}}^1$

素因数の和:729

約数の個数: 72

約数和(自身を含む): 57863232

約数和(自身を除く): 37333884

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 114, 133, 228, 266, 361, 399, 532, 677, 722, 798, 1083, 1354, 1444, 1596, 2031, 2166, 2527, 2708, 4062, 4332, 4739, 5054, 7581, 8124, 9478, 10108, 12863, 14217, 15162, 18956, 25726, 28434, 30324, 38589, 51452, 56868, 77178, 90041, 154356, 180082, 244397, 270123, 360164, 488794, 540246, 733191, 977588, 1080492, 1466382, 1710779, 2932764, 3421558, 5132337, 6843116, 10264674, 20529348]

約数ペア:

[(1, 20529348), (2, 10264674), (3, 6843116), (4, 5132337), (6, 3421558), (7, 2932764), (12, 1710779), (14, 1466382), (19, 1080492), (21, 977588), (28, 733191), (38, 540246), (42, 488794), (57, 360164), (76, 270123), (84, 244397), (114, 180082), (133, 154356), (228, 90041), (266, 77178), (361, 56868), (399, 51452), (532, 38589), (677, 30324), (722, 28434), (798, 25726), (1083, 18956), (1354, 15162), (1444, 14217), (1596, 12863), (2031, 10108), (2166, 9478), (2527, 8124), (2708, 7581), (4062, 5054), (4332, 4739)]