20688001470

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1\times {\mathrm{10687}}^1$

素因数の和:10994

約数の個数: 96

約数和(自身を含む): 54531629568

約数和(自身を除く): 33843628098

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 137, 157, 274, 314, 411, 471, 685, 785, 822, 942, 1233, 1370, 1413, 1570, 2055, 2355, 2466, 2826, 4110, 4710, 6165, 7065, 10687, 12330, 14130, 21374, 21509, 32061, 43018, 53435, 64122, 64527, 96183, 106870, 107545, 129054, 160305, 192366, 193581, 215090, 320610, 322635, 387162, 480915, 645270, 961830, 967905, 1464119, 1677859, 1935810, 2928238, 3355718, 4392357, 5033577, 7320595, 8389295, 8784714, 10067154, 13177071, 14641190, 15100731, 16778590, 21961785, 25167885, 26354142, 30201462, 43923570, 50335770, 65885355, 75503655, 131770710, 151007310, 229866683, 459733366, 689600049, 1149333415, 1379200098, 2068800147, 2298666830, 3448000245, 4137600294, 6896000490, 10344000735, 20688001470]

約数ペア:

[(1, 20688001470), (2, 10344000735), (3, 6896000490), (5, 4137600294), (6, 3448000245), (9, 2298666830), (10, 2068800147), (15, 1379200098), (18, 1149333415), (30, 689600049), (45, 459733366), (90, 229866683), (137, 151007310), (157, 131770710), (274, 75503655), (314, 65885355), (411, 50335770), (471, 43923570), (685, 30201462), (785, 26354142), (822, 25167885), (942, 21961785), (1233, 16778590), (1370, 15100731), (1413, 14641190), (1570, 13177071), (2055, 10067154), (2355, 8784714), (2466, 8389295), (2826, 7320595), (4110, 5033577), (4710, 4392357), (6165, 3355718), (7065, 2928238), (10687, 1935810), (12330, 1677859), (14130, 1464119), (21374, 967905), (21509, 961830), (32061, 645270), (43018, 480915), (53435, 387162), (64122, 322635), (64527, 320610), (96183, 215090), (106870, 193581), (107545, 192366), (129054, 160305)]