20079200

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1321}}^1$

素因数の和:1360

約数の個数: 72

約数和(自身を含む): 51637320

約数和(自身を除く): 31558120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 76, 80, 95, 100, 152, 160, 190, 200, 304, 380, 400, 475, 608, 760, 800, 950, 1321, 1520, 1900, 2642, 3040, 3800, 5284, 6605, 7600, 10568, 13210, 15200, 21136, 25099, 26420, 33025, 42272, 50198, 52840, 66050, 100396, 105680, 125495, 132100, 200792, 211360, 250990, 264200, 401584, 501980, 528400, 627475, 803168, 1003960, 1056800, 1254950, 2007920, 2509900, 4015840, 5019800, 10039600, 20079200]

約数ペア:

[(1, 20079200), (2, 10039600), (4, 5019800), (5, 4015840), (8, 2509900), (10, 2007920), (16, 1254950), (19, 1056800), (20, 1003960), (25, 803168), (32, 627475), (38, 528400), (40, 501980), (50, 401584), (76, 264200), (80, 250990), (95, 211360), (100, 200792), (152, 132100), (160, 125495), (190, 105680), (200, 100396), (304, 66050), (380, 52840), (400, 50198), (475, 42272), (608, 33025), (760, 26420), (800, 25099), (950, 21136), (1321, 15200), (1520, 13210), (1900, 10568), (2642, 7600), (3040, 6605), (3800, 5284)]