20094400

素因数分解:

$2^6\times 5^2\times {\mathrm{19}}^1\times {\mathrm{661}}^1$

素因数の和:702

約数の個数: 84

約数和(自身を含む): 52125880

約数和(自身を除く): 32031480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 76, 80, 95, 100, 152, 160, 190, 200, 304, 320, 380, 400, 475, 608, 661, 760, 800, 950, 1216, 1322, 1520, 1600, 1900, 2644, 3040, 3305, 3800, 5288, 6080, 6610, 7600, 10576, 12559, 13220, 15200, 16525, 21152, 25118, 26440, 30400, 33050, 42304, 50236, 52880, 62795, 66100, 100472, 105760, 125590, 132200, 200944, 211520, 251180, 264400, 313975, 401888, 502360, 528800, 627950, 803776, 1004720, 1057600, 1255900, 2009440, 2511800, 4018880, 5023600, 10047200, 20094400]

約数ペア:

[(1, 20094400), (2, 10047200), (4, 5023600), (5, 4018880), (8, 2511800), (10, 2009440), (16, 1255900), (19, 1057600), (20, 1004720), (25, 803776), (32, 627950), (38, 528800), (40, 502360), (50, 401888), (64, 313975), (76, 264400), (80, 251180), (95, 211520), (100, 200944), (152, 132200), (160, 125590), (190, 105760), (200, 100472), (304, 66100), (320, 62795), (380, 52880), (400, 50236), (475, 42304), (608, 33050), (661, 30400), (760, 26440), (800, 25118), (950, 21152), (1216, 16525), (1322, 15200), (1520, 13220), (1600, 12559), (1900, 10576), (2644, 7600), (3040, 6610), (3305, 6080), (3800, 5288)]