20917600

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{2377}}^1$

素因数の和:2408

約数の個数: 72

約数和(自身を含む): 55730808

約数和(自身を除く): 34813208

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 110, 160, 176, 200, 220, 275, 352, 400, 440, 550, 800, 880, 1100, 1760, 2200, 2377, 4400, 4754, 8800, 9508, 11885, 19016, 23770, 26147, 38032, 47540, 52294, 59425, 76064, 95080, 104588, 118850, 130735, 190160, 209176, 237700, 261470, 380320, 418352, 475400, 522940, 653675, 836704, 950800, 1045880, 1307350, 1901600, 2091760, 2614700, 4183520, 5229400, 10458800, 20917600]

約数ペア:

[(1, 20917600), (2, 10458800), (4, 5229400), (5, 4183520), (8, 2614700), (10, 2091760), (11, 1901600), (16, 1307350), (20, 1045880), (22, 950800), (25, 836704), (32, 653675), (40, 522940), (44, 475400), (50, 418352), (55, 380320), (80, 261470), (88, 237700), (100, 209176), (110, 190160), (160, 130735), (176, 118850), (200, 104588), (220, 95080), (275, 76064), (352, 59425), (400, 52294), (440, 47540), (550, 38032), (800, 26147), (880, 23770), (1100, 19016), (1760, 11885), (2200, 9508), (2377, 8800), (4400, 4754)]