20807943830

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3023}}^1\times {\mathrm{29927}}^1$

素因数の和:32980

約数の個数: 32

約数和(自身を含む): 39096981504

約数和(自身を除く): 18289037674

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 3023, 6046, 15115, 29927, 30230, 59854, 69529, 139058, 149635, 299270, 347645, 688321, 695290, 1376642, 3441605, 6883210, 90469321, 180938642, 452346605, 904693210, 2080794383, 4161588766, 10403971915, 20807943830]

約数ペア:

[(1, 20807943830), (2, 10403971915), (5, 4161588766), (10, 2080794383), (23, 904693210), (46, 452346605), (115, 180938642), (230, 90469321), (3023, 6883210), (6046, 3441605), (15115, 1376642), (29927, 695290), (30230, 688321), (59854, 347645), (69529, 299270), (139058, 149635)]