20402433700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{976193}}^1$

素因数の和:976237

約数の個数: 72

約数和(自身を含む): 50840183520

約数和(自身を除く): 30437749820

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 76, 95, 100, 110, 190, 209, 220, 275, 380, 418, 475, 550, 836, 950, 1045, 1100, 1900, 2090, 4180, 5225, 10450, 20900, 976193, 1952386, 3904772, 4880965, 9761930, 10738123, 18547667, 19523860, 21476246, 24404825, 37095334, 42952492, 48809650, 53690615, 74190668, 92738335, 97619300, 107381230, 185476670, 204024337, 214762460, 268453075, 370953340, 408048674, 463691675, 536906150, 816097348, 927383350, 1020121685, 1073812300, 1854766700, 2040243370, 4080486740, 5100608425, 10201216850, 20402433700]

約数ペア:

[(1, 20402433700), (2, 10201216850), (4, 5100608425), (5, 4080486740), (10, 2040243370), (11, 1854766700), (19, 1073812300), (20, 1020121685), (22, 927383350), (25, 816097348), (38, 536906150), (44, 463691675), (50, 408048674), (55, 370953340), (76, 268453075), (95, 214762460), (100, 204024337), (110, 185476670), (190, 107381230), (209, 97619300), (220, 92738335), (275, 74190668), (380, 53690615), (418, 48809650), (475, 42952492), (550, 37095334), (836, 24404825), (950, 21476246), (1045, 19523860), (1100, 18547667), (1900, 10738123), (2090, 9761930), (4180, 4880965), (5225, 3904772), (10450, 1952386), (20900, 976193)]