20085081720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15215971}}^1$

素因数の和:15215996

約数の個数: 64

約数和(自身を含む): 65732999040

約数和(自身を除く): 45647917320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 15215971, 30431942, 45647913, 60863884, 76079855, 91295826, 121727768, 152159710, 167375681, 182591652, 228239565, 304319420, 334751362, 365183304, 456479130, 502127043, 608638840, 669502724, 836878405, 912958260, 1004254086, 1339005448, 1673756810, 1825916520, 2008508172, 2510635215, 3347513620, 4017016344, 5021270430, 6695027240, 10042540860, 20085081720]

約数ペア:

[(1, 20085081720), (2, 10042540860), (3, 6695027240), (4, 5021270430), (5, 4017016344), (6, 3347513620), (8, 2510635215), (10, 2008508172), (11, 1825916520), (12, 1673756810), (15, 1339005448), (20, 1004254086), (22, 912958260), (24, 836878405), (30, 669502724), (33, 608638840), (40, 502127043), (44, 456479130), (55, 365183304), (60, 334751362), (66, 304319420), (88, 228239565), (110, 182591652), (120, 167375681), (132, 152159710), (165, 121727768), (220, 91295826), (264, 76079855), (330, 60863884), (440, 45647913), (660, 30431942), (1320, 15215971)]