20423700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{2063}}^1$

素因数の和:2094

約数の個数: 108

約数和(自身を含む): 69870528

約数和(自身を除く): 49446828

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 25, 30, 33, 36, 44, 45, 50, 55, 60, 66, 75, 90, 99, 100, 110, 132, 150, 165, 180, 198, 220, 225, 275, 300, 330, 396, 450, 495, 550, 660, 825, 900, 990, 1100, 1650, 1980, 2063, 2475, 3300, 4126, 4950, 6189, 8252, 9900, 10315, 12378, 18567, 20630, 22693, 24756, 30945, 37134, 41260, 45386, 51575, 61890, 68079, 74268, 90772, 92835, 103150, 113465, 123780, 136158, 154725, 185670, 204237, 206300, 226930, 272316, 309450, 340395, 371340, 408474, 453860, 464175, 567325, 618900, 680790, 816948, 928350, 1021185, 1134650, 1361580, 1701975, 1856700, 2042370, 2269300, 3403950, 4084740, 5105925, 6807900, 10211850, 20423700]

約数ペア:

[(1, 20423700), (2, 10211850), (3, 6807900), (4, 5105925), (5, 4084740), (6, 3403950), (9, 2269300), (10, 2042370), (11, 1856700), (12, 1701975), (15, 1361580), (18, 1134650), (20, 1021185), (22, 928350), (25, 816948), (30, 680790), (33, 618900), (36, 567325), (44, 464175), (45, 453860), (50, 408474), (55, 371340), (60, 340395), (66, 309450), (75, 272316), (90, 226930), (99, 206300), (100, 204237), (110, 185670), (132, 154725), (150, 136158), (165, 123780), (180, 113465), (198, 103150), (220, 92835), (225, 90772), (275, 74268), (300, 68079), (330, 61890), (396, 51575), (450, 45386), (495, 41260), (550, 37134), (660, 30945), (825, 24756), (900, 22693), (990, 20630), (1100, 18567), (1650, 12378), (1980, 10315), (2063, 9900), (2475, 8252), (3300, 6189), (4126, 4950)]