20120322420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10161779}}^1$

素因数の和:10161805

約数の個数: 72

約数和(自身を含む): 66579982560

約数和(自身を除く): 46459660140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 10161779, 20323558, 30485337, 40647116, 50808895, 60970674, 91456011, 101617790, 111779569, 121941348, 152426685, 182912022, 203235580, 223559138, 304853370, 335338707, 365824044, 447118276, 457280055, 558897845, 609706740, 670677414, 914560110, 1006016121, 1117795690, 1341354828, 1676693535, 1829120220, 2012032242, 2235591380, 3353387070, 4024064484, 5030080605, 6706774140, 10060161210, 20120322420]

約数ペア:

[(1, 20120322420), (2, 10060161210), (3, 6706774140), (4, 5030080605), (5, 4024064484), (6, 3353387070), (9, 2235591380), (10, 2012032242), (11, 1829120220), (12, 1676693535), (15, 1341354828), (18, 1117795690), (20, 1006016121), (22, 914560110), (30, 670677414), (33, 609706740), (36, 558897845), (44, 457280055), (45, 447118276), (55, 365824044), (60, 335338707), (66, 304853370), (90, 223559138), (99, 203235580), (110, 182912022), (132, 152426685), (165, 121941348), (180, 111779569), (198, 101617790), (220, 91456011), (330, 60970674), (396, 50808895), (495, 40647116), (660, 30485337), (990, 20323558), (1980, 10161779)]