20332400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{4621}}^1$

素因数の和:4650

約数の個数: 60

約数和(自身を含む): 53300904

約数和(自身を除く): 32968504

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 176, 200, 220, 275, 400, 440, 550, 880, 1100, 2200, 4400, 4621, 9242, 18484, 23105, 36968, 46210, 50831, 73936, 92420, 101662, 115525, 184840, 203324, 231050, 254155, 369680, 406648, 462100, 508310, 813296, 924200, 1016620, 1270775, 1848400, 2033240, 2541550, 4066480, 5083100, 10166200, 20332400]

約数ペア:

[(1, 20332400), (2, 10166200), (4, 5083100), (5, 4066480), (8, 2541550), (10, 2033240), (11, 1848400), (16, 1270775), (20, 1016620), (22, 924200), (25, 813296), (40, 508310), (44, 462100), (50, 406648), (55, 369680), (80, 254155), (88, 231050), (100, 203324), (110, 184840), (176, 115525), (200, 101662), (220, 92420), (275, 73936), (400, 50831), (440, 46210), (550, 36968), (880, 23105), (1100, 18484), (2200, 9242), (4400, 4621)]