20472692

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 39836160

約数和(自身を除く): 19363468

約数列:

[1, 2, 4, 17, 34, 37, 68, 74, 79, 103, 148, 158, 206, 316, 412, 629, 1258, 1343, 1751, 2516, 2686, 2923, 3502, 3811, 5372, 5846, 7004, 7622, 8137, 11692, 15244, 16274, 32548, 49691, 64787, 99382, 129574, 138329, 198764, 259148, 276658, 301069, 553316, 602138, 1204276, 5118173, 10236346, 20472692]

約数ペア:

[(1, 20472692), (2, 10236346), (4, 5118173), (17, 1204276), (34, 602138), (37, 553316), (68, 301069), (74, 276658), (79, 259148), (103, 198764), (148, 138329), (158, 129574), (206, 99382), (316, 64787), (412, 49691), (629, 32548), (1258, 16274), (1343, 15244), (1751, 11692), (2516, 8137), (2686, 7622), (2923, 7004), (3502, 5846), (3811, 5372)]