20546520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{3643}}^1$

素因数の和:3704

約数の個数: 64

約数和(自身を含む): 62968320

約数和(自身を除く): 42421800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 188, 235, 282, 376, 470, 564, 705, 940, 1128, 1410, 1880, 2820, 3643, 5640, 7286, 10929, 14572, 18215, 21858, 29144, 36430, 43716, 54645, 72860, 87432, 109290, 145720, 171221, 218580, 342442, 437160, 513663, 684884, 856105, 1027326, 1369768, 1712210, 2054652, 2568315, 3424420, 4109304, 5136630, 6848840, 10273260, 20546520]

約数ペア:

[(1, 20546520), (2, 10273260), (3, 6848840), (4, 5136630), (5, 4109304), (6, 3424420), (8, 2568315), (10, 2054652), (12, 1712210), (15, 1369768), (20, 1027326), (24, 856105), (30, 684884), (40, 513663), (47, 437160), (60, 342442), (94, 218580), (120, 171221), (141, 145720), (188, 109290), (235, 87432), (282, 72860), (376, 54645), (470, 43716), (564, 36430), (705, 29144), (940, 21858), (1128, 18215), (1410, 14572), (1880, 10929), (2820, 7286), (3643, 5640)]