20549520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{28541}}^1$

素因数の和:28560

約数の個数: 60

約数和(自身を含む): 69014556

約数和(自身を除く): 48465036

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 28541, 57082, 85623, 114164, 142705, 171246, 228328, 256869, 285410, 342492, 428115, 456656, 513738, 570820, 684984, 856230, 1027476, 1141640, 1284345, 1369968, 1712460, 2054952, 2283280, 2568690, 3424920, 4109904, 5137380, 6849840, 10274760, 20549520]

約数ペア:

[(1, 20549520), (2, 10274760), (3, 6849840), (4, 5137380), (5, 4109904), (6, 3424920), (8, 2568690), (9, 2283280), (10, 2054952), (12, 1712460), (15, 1369968), (16, 1284345), (18, 1141640), (20, 1027476), (24, 856230), (30, 684984), (36, 570820), (40, 513738), (45, 456656), (48, 428115), (60, 342492), (72, 285410), (80, 256869), (90, 228328), (120, 171246), (144, 142705), (180, 114164), (240, 85623), (360, 57082), (720, 28541)]