20803839120

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{3210469}}^1$

素因数の和:3210494

約数の個数: 100

約数和(自身を含む): 72254837820

約数和(自身を除く): 51450998700

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 3210469, 6420938, 9631407, 12841876, 16052345, 19262814, 25683752, 28894221, 32104690, 38525628, 48157035, 51367504, 57788442, 64209380, 77051256, 86682663, 96314070, 115576884, 128418760, 144471105, 154102512, 173365326, 192628140, 231153768, 256837520, 260047989, 288942210, 346730652, 385256280, 433413315, 462307536, 520095978, 577884420, 693461304, 770512560, 866826630, 1040191956, 1155768840, 1300239945, 1386922608, 1733653260, 2080383912, 2311537680, 2600479890, 3467306520, 4160767824, 5200959780, 6934613040, 10401919560, 20803839120]

約数ペア:

[(1, 20803839120), (2, 10401919560), (3, 6934613040), (4, 5200959780), (5, 4160767824), (6, 3467306520), (8, 2600479890), (9, 2311537680), (10, 2080383912), (12, 1733653260), (15, 1386922608), (16, 1300239945), (18, 1155768840), (20, 1040191956), (24, 866826630), (27, 770512560), (30, 693461304), (36, 577884420), (40, 520095978), (45, 462307536), (48, 433413315), (54, 385256280), (60, 346730652), (72, 288942210), (80, 260047989), (81, 256837520), (90, 231153768), (108, 192628140), (120, 173365326), (135, 154102512), (144, 144471105), (162, 128418760), (180, 115576884), (216, 96314070), (240, 86682663), (270, 77051256), (324, 64209380), (360, 57788442), (405, 51367504), (432, 48157035), (540, 38525628), (648, 32104690), (720, 28894221), (810, 25683752), (1080, 19262814), (1296, 16052345), (1620, 12841876), (2160, 9631407), (3240, 6420938), (6480, 3210469)]