20926360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5749}}^1$

素因数の和:5780

約数の個数: 64

約数和(自身を含む): 57960000

約数和(自身を除く): 37033640

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 5749, 11498, 22996, 28745, 40243, 45992, 57490, 74737, 80486, 114980, 149474, 160972, 201215, 229960, 298948, 321944, 373685, 402430, 523159, 597896, 747370, 804860, 1046318, 1494740, 1609720, 2092636, 2615795, 2989480, 4185272, 5231590, 10463180, 20926360]

約数ペア:

[(1, 20926360), (2, 10463180), (4, 5231590), (5, 4185272), (7, 2989480), (8, 2615795), (10, 2092636), (13, 1609720), (14, 1494740), (20, 1046318), (26, 804860), (28, 747370), (35, 597896), (40, 523159), (52, 402430), (56, 373685), (65, 321944), (70, 298948), (91, 229960), (104, 201215), (130, 160972), (140, 149474), (182, 114980), (260, 80486), (280, 74737), (364, 57490), (455, 45992), (520, 40243), (728, 28745), (910, 22996), (1820, 11498), (3640, 5749)]