20689443720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5224607}}^1$

素因数の和:5224635

約数の個数: 96

約数和(自身を含む): 73353496320

約数和(自身を除く): 52664052600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 5224607, 10449214, 15673821, 20898428, 26123035, 31347642, 41796856, 47021463, 52246070, 57470677, 62695284, 78369105, 94042926, 104492140, 114941354, 125390568, 156738210, 172412031, 188085852, 208984280, 229882708, 235107315, 287353385, 313476420, 344824062, 376171704, 459765416, 470214630, 517236093, 574706770, 626952840, 689648124, 862060155, 940429260, 1034472186, 1149413540, 1379296248, 1724120310, 1880858520, 2068944372, 2298827080, 2586180465, 3448240620, 4137888744, 5172360930, 6896481240, 10344721860, 20689443720]

約数ペア:

[(1, 20689443720), (2, 10344721860), (3, 6896481240), (4, 5172360930), (5, 4137888744), (6, 3448240620), (8, 2586180465), (9, 2298827080), (10, 2068944372), (11, 1880858520), (12, 1724120310), (15, 1379296248), (18, 1149413540), (20, 1034472186), (22, 940429260), (24, 862060155), (30, 689648124), (33, 626952840), (36, 574706770), (40, 517236093), (44, 470214630), (45, 459765416), (55, 376171704), (60, 344824062), (66, 313476420), (72, 287353385), (88, 235107315), (90, 229882708), (99, 208984280), (110, 188085852), (120, 172412031), (132, 156738210), (165, 125390568), (180, 114941354), (198, 104492140), (220, 94042926), (264, 78369105), (330, 62695284), (360, 57470677), (396, 52246070), (440, 47021463), (495, 41796856), (660, 31347642), (792, 26123035), (990, 20898428), (1320, 15673821), (1980, 10449214), (3960, 5224607)]