20548440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5189}}^1$

素因数の和:5217

約数の個数: 96

約数和(自身を含む): 72867600

約数和(自身を除く): 52319160

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, 5189, 10378, 15567, 20756, 25945, 31134, 41512, 46701, 51890, 57079, 62268, 77835, 93402, 103780, 114158, 124536, 155670, 171237, 186804, 207560, 228316, 233505, 285395, 311340, 342474, 373608, 456632, 467010, 513711, 570790, 622680, 684948, 856185, 934020, 1027422, 1141580, 1369896, 1712370, 1868040, 2054844, 2283160, 2568555, 3424740, 4109688, 5137110, 6849480, 10274220, 20548440]

約数ペア:

[(1, 20548440), (2, 10274220), (3, 6849480), (4, 5137110), (5, 4109688), (6, 3424740), (8, 2568555), (9, 2283160), (10, 2054844), (11, 1868040), (12, 1712370), (15, 1369896), (18, 1141580), (20, 1027422), (22, 934020), (24, 856185), (30, 684948), (33, 622680), (36, 570790), (40, 513711), (44, 467010), (45, 456632), (55, 373608), (60, 342474), (66, 311340), (72, 285395), (88, 233505), (90, 228316), (99, 207560), (110, 186804), (120, 171237), (132, 155670), (165, 124536), (180, 114158), (198, 103780), (220, 93402), (264, 77835), (330, 62268), (360, 57079), (396, 51890), (440, 46701), (495, 41512), (660, 31134), (792, 25945), (990, 20756), (1320, 15567), (1980, 10378), (3960, 5189)]