20259200

素因数分解:

$2^7\times 5^2\times {\mathrm{13}}^1\times {\mathrm{487}}^1$

素因数の和:524

約数の個数: 96

約数和(自身を含む): 54006960

約数和(自身を除く): 33747760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 200, 208, 260, 320, 325, 400, 416, 487, 520, 640, 650, 800, 832, 974, 1040, 1300, 1600, 1664, 1948, 2080, 2435, 2600, 3200, 3896, 4160, 4870, 5200, 6331, 7792, 8320, 9740, 10400, 12175, 12662, 15584, 19480, 20800, 24350, 25324, 31168, 31655, 38960, 41600, 48700, 50648, 62336, 63310, 77920, 97400, 101296, 126620, 155840, 158275, 194800, 202592, 253240, 311680, 316550, 389600, 405184, 506480, 633100, 779200, 810368, 1012960, 1266200, 1558400, 2025920, 2532400, 4051840, 5064800, 10129600, 20259200]

約数ペア:

[(1, 20259200), (2, 10129600), (4, 5064800), (5, 4051840), (8, 2532400), (10, 2025920), (13, 1558400), (16, 1266200), (20, 1012960), (25, 810368), (26, 779200), (32, 633100), (40, 506480), (50, 405184), (52, 389600), (64, 316550), (65, 311680), (80, 253240), (100, 202592), (104, 194800), (128, 158275), (130, 155840), (160, 126620), (200, 101296), (208, 97400), (260, 77920), (320, 63310), (325, 62336), (400, 50648), (416, 48700), (487, 41600), (520, 38960), (640, 31655), (650, 31168), (800, 25324), (832, 24350), (974, 20800), (1040, 19480), (1300, 15584), (1600, 12662), (1664, 12175), (1948, 10400), (2080, 9740), (2435, 8320), (2600, 7792), (3200, 6331), (3896, 5200), (4160, 4870)]