20899694480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{67733}}^1$

素因数の和:67801

約数の個数: 160

約数和(自身を含む): 60472915200

約数和(自身を除く): 39573220720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 29, 35, 38, 40, 56, 58, 70, 76, 80, 95, 112, 116, 133, 140, 145, 152, 190, 203, 232, 266, 280, 290, 304, 380, 406, 464, 532, 551, 560, 580, 665, 760, 812, 1015, 1064, 1102, 1160, 1330, 1520, 1624, 2030, 2128, 2204, 2320, 2660, 2755, 3248, 3857, 4060, 4408, 5320, 5510, 7714, 8120, 8816, 10640, 11020, 15428, 16240, 19285, 22040, 30856, 38570, 44080, 61712, 67733, 77140, 135466, 154280, 270932, 308560, 338665, 474131, 541864, 677330, 948262, 1083728, 1286927, 1354660, 1896524, 1964257, 2370655, 2573854, 2709320, 3793048, 3928514, 4741310, 5147708, 5418640, 6434635, 7586096, 7857028, 9008489, 9482620, 9821285, 10295416, 12869270, 13749799, 15714056, 18016978, 18965240, 19642570, 20590832, 25738540, 27499598, 31428112, 36033956, 37320883, 37930480, 39285140, 45042445, 51477080, 54999196, 68748995, 72067912, 74641766, 78570280, 90084890, 102954160, 109998392, 137497990, 144135824, 149283532, 157140560, 180169780, 186604415, 219996784, 261246181, 274995980, 298567064, 360339560, 373208830, 522492362, 549991960, 597134128, 720679120, 746417660, 1044984724, 1099983920, 1306230905, 1492835320, 2089969448, 2612461810, 2985670640, 4179938896, 5224923620, 10449847240, 20899694480]

約数ペア:

[(1, 20899694480), (2, 10449847240), (4, 5224923620), (5, 4179938896), (7, 2985670640), (8, 2612461810), (10, 2089969448), (14, 1492835320), (16, 1306230905), (19, 1099983920), (20, 1044984724), (28, 746417660), (29, 720679120), (35, 597134128), (38, 549991960), (40, 522492362), (56, 373208830), (58, 360339560), (70, 298567064), (76, 274995980), (80, 261246181), (95, 219996784), (112, 186604415), (116, 180169780), (133, 157140560), (140, 149283532), (145, 144135824), (152, 137497990), (190, 109998392), (203, 102954160), (232, 90084890), (266, 78570280), (280, 74641766), (290, 72067912), (304, 68748995), (380, 54999196), (406, 51477080), (464, 45042445), (532, 39285140), (551, 37930480), (560, 37320883), (580, 36033956), (665, 31428112), (760, 27499598), (812, 25738540), (1015, 20590832), (1064, 19642570), (1102, 18965240), (1160, 18016978), (1330, 15714056), (1520, 13749799), (1624, 12869270), (2030, 10295416), (2128, 9821285), (2204, 9482620), (2320, 9008489), (2660, 7857028), (2755, 7586096), (3248, 6434635), (3857, 5418640), (4060, 5147708), (4408, 4741310), (5320, 3928514), (5510, 3793048), (7714, 2709320), (8120, 2573854), (8816, 2370655), (10640, 1964257), (11020, 1896524), (15428, 1354660), (16240, 1286927), (19285, 1083728), (22040, 948262), (30856, 677330), (38570, 541864), (44080, 474131), (61712, 338665), (67733, 308560), (77140, 270932), (135466, 154280)]