20162748920

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{431}}^1\times {\mathrm{433}}^1$

素因数の和:985

約数の個数: 128

約数和(自身を含む): 47449463040

約数和(自身を除く): 27286714120

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 73, 74, 146, 148, 185, 292, 296, 365, 370, 431, 433, 584, 730, 740, 862, 866, 1460, 1480, 1724, 1732, 2155, 2165, 2701, 2920, 3448, 3464, 4310, 4330, 5402, 8620, 8660, 10804, 13505, 15947, 16021, 17240, 17320, 21608, 27010, 31463, 31609, 31894, 32042, 54020, 62926, 63218, 63788, 64084, 79735, 80105, 108040, 125852, 126436, 127576, 128168, 157315, 158045, 159470, 160210, 186623, 251704, 252872, 314630, 316090, 318940, 320420, 373246, 629260, 632180, 637880, 640840, 746492, 933115, 1164131, 1169533, 1258520, 1264360, 1492984, 1866230, 2328262, 2339066, 3732460, 4656524, 4678132, 5820655, 5847665, 6905051, 7464920, 9313048, 9356264, 11641310, 11695330, 13623479, 13810102, 23282620, 23390660, 27246958, 27620204, 34525255, 46565240, 46781320, 54493916, 55240408, 68117395, 69050510, 108987832, 136234790, 138101020, 272469580, 276202040, 504068723, 544939160, 1008137446, 2016274892, 2520343615, 4032549784, 5040687230, 10081374460, 20162748920]

約数ペア:

[(1, 20162748920), (2, 10081374460), (4, 5040687230), (5, 4032549784), (8, 2520343615), (10, 2016274892), (20, 1008137446), (37, 544939160), (40, 504068723), (73, 276202040), (74, 272469580), (146, 138101020), (148, 136234790), (185, 108987832), (292, 69050510), (296, 68117395), (365, 55240408), (370, 54493916), (431, 46781320), (433, 46565240), (584, 34525255), (730, 27620204), (740, 27246958), (862, 23390660), (866, 23282620), (1460, 13810102), (1480, 13623479), (1724, 11695330), (1732, 11641310), (2155, 9356264), (2165, 9313048), (2701, 7464920), (2920, 6905051), (3448, 5847665), (3464, 5820655), (4310, 4678132), (4330, 4656524), (5402, 3732460), (8620, 2339066), (8660, 2328262), (10804, 1866230), (13505, 1492984), (15947, 1264360), (16021, 1258520), (17240, 1169533), (17320, 1164131), (21608, 933115), (27010, 746492), (31463, 640840), (31609, 637880), (31894, 632180), (32042, 629260), (54020, 373246), (62926, 320420), (63218, 318940), (63788, 316090), (64084, 314630), (79735, 252872), (80105, 251704), (108040, 186623), (125852, 160210), (126436, 159470), (127576, 158045), (128168, 157315)]