20857504680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{50867}}^1$

素因数の和:50968

約数の個数: 192

約数和(自身を含む): 72847045440

約数和(自身を除く): 51989540760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 67, 68, 72, 85, 90, 102, 120, 134, 136, 153, 170, 180, 201, 204, 255, 268, 306, 335, 340, 360, 402, 408, 510, 536, 603, 612, 670, 680, 765, 804, 1005, 1020, 1139, 1206, 1224, 1340, 1530, 1608, 2010, 2040, 2278, 2412, 2680, 3015, 3060, 3417, 4020, 4556, 4824, 5695, 6030, 6120, 6834, 8040, 9112, 10251, 11390, 12060, 13668, 17085, 20502, 22780, 24120, 27336, 34170, 41004, 45560, 50867, 51255, 68340, 82008, 101734, 102510, 136680, 152601, 203468, 205020, 254335, 305202, 406936, 410040, 457803, 508670, 610404, 763005, 864739, 915606, 1017340, 1220808, 1526010, 1729478, 1831212, 2034680, 2289015, 2594217, 3052020, 3408089, 3458956, 3662424, 4323695, 4578030, 5188434, 6104040, 6816178, 6917912, 7782651, 8647390, 9156060, 10224267, 10376868, 12971085, 13632356, 15565302, 17040445, 17294780, 18312120, 20448534, 20753736, 25942170, 27264712, 30672801, 31130604, 34080890, 34589560, 38913255, 40897068, 51121335, 51884340, 57937513, 61345602, 62261208, 68161780, 77826510, 81794136, 102242670, 103768680, 115875026, 122691204, 136323560, 153364005, 155653020, 173812539, 204485340, 231750052, 245382408, 289687565, 306728010, 311306040, 347625078, 408970680, 463500104, 521437617, 579375130, 613456020, 695250156, 869062695, 1042875234, 1158750260, 1226912040, 1390500312, 1738125390, 2085750468, 2317500520, 2607188085, 3476250780, 4171500936, 5214376170, 6952501560, 10428752340, 20857504680]

約数ペア:

[(1, 20857504680), (2, 10428752340), (3, 6952501560), (4, 5214376170), (5, 4171500936), (6, 3476250780), (8, 2607188085), (9, 2317500520), (10, 2085750468), (12, 1738125390), (15, 1390500312), (17, 1226912040), (18, 1158750260), (20, 1042875234), (24, 869062695), (30, 695250156), (34, 613456020), (36, 579375130), (40, 521437617), (45, 463500104), (51, 408970680), (60, 347625078), (67, 311306040), (68, 306728010), (72, 289687565), (85, 245382408), (90, 231750052), (102, 204485340), (120, 173812539), (134, 155653020), (136, 153364005), (153, 136323560), (170, 122691204), (180, 115875026), (201, 103768680), (204, 102242670), (255, 81794136), (268, 77826510), (306, 68161780), (335, 62261208), (340, 61345602), (360, 57937513), (402, 51884340), (408, 51121335), (510, 40897068), (536, 38913255), (603, 34589560), (612, 34080890), (670, 31130604), (680, 30672801), (765, 27264712), (804, 25942170), (1005, 20753736), (1020, 20448534), (1139, 18312120), (1206, 17294780), (1224, 17040445), (1340, 15565302), (1530, 13632356), (1608, 12971085), (2010, 10376868), (2040, 10224267), (2278, 9156060), (2412, 8647390), (2680, 7782651), (3015, 6917912), (3060, 6816178), (3417, 6104040), (4020, 5188434), (4556, 4578030), (4824, 4323695), (5695, 3662424), (6030, 3458956), (6120, 3408089), (6834, 3052020), (8040, 2594217), (9112, 2289015), (10251, 2034680), (11390, 1831212), (12060, 1729478), (13668, 1526010), (17085, 1220808), (20502, 1017340), (22780, 915606), (24120, 864739), (27336, 763005), (34170, 610404), (41004, 508670), (45560, 457803), (50867, 410040), (51255, 406936), (68340, 305202), (82008, 254335), (101734, 205020), (102510, 203468), (136680, 152601)]