20343902215

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1$

素因数の和:441

約数の個数: 128

約数和(自身を含む): 31954728960

約数和(自身を除く): 11610826745

約数列:

[1, 5, 7, 13, 35, 37, 43, 65, 91, 157, 179, 185, 215, 259, 301, 455, 481, 559, 785, 895, 1099, 1253, 1295, 1505, 1591, 2041, 2327, 2405, 2795, 3367, 3913, 5495, 5809, 6265, 6623, 6751, 7697, 7955, 10205, 11137, 11635, 14287, 16289, 16835, 19565, 20683, 28103, 29045, 33115, 33755, 38485, 40663, 46361, 47257, 53879, 55685, 71435, 75517, 81445, 86099, 87763, 100061, 103415, 140515, 144781, 196721, 203315, 231805, 236285, 249787, 269395, 284789, 365339, 377585, 430495, 438815, 500305, 528619, 602693, 614341, 700427, 723905, 983605, 1039811, 1208429, 1248935, 1423945, 1748509, 1826695, 1993523, 2557373, 2643095, 3013465, 3071705, 3247231, 3502135, 3702257, 5199055, 6042145, 7278677, 8459003, 8742545, 9967615, 12786865, 13517543, 15709577, 16236155, 18511285, 22730617, 25915799, 36393385, 42295015, 44711873, 67587715, 78547885, 94622801, 109967039, 113653085, 129578995, 223559365, 312983111, 473114005, 549835195, 581254349, 1564915555, 2906271745, 4068780443, 20343902215]

約数ペア:

[(1, 20343902215), (5, 4068780443), (7, 2906271745), (13, 1564915555), (35, 581254349), (37, 549835195), (43, 473114005), (65, 312983111), (91, 223559365), (157, 129578995), (179, 113653085), (185, 109967039), (215, 94622801), (259, 78547885), (301, 67587715), (455, 44711873), (481, 42295015), (559, 36393385), (785, 25915799), (895, 22730617), (1099, 18511285), (1253, 16236155), (1295, 15709577), (1505, 13517543), (1591, 12786865), (2041, 9967615), (2327, 8742545), (2405, 8459003), (2795, 7278677), (3367, 6042145), (3913, 5199055), (5495, 3702257), (5809, 3502135), (6265, 3247231), (6623, 3071705), (6751, 3013465), (7697, 2643095), (7955, 2557373), (10205, 1993523), (11137, 1826695), (11635, 1748509), (14287, 1423945), (16289, 1248935), (16835, 1208429), (19565, 1039811), (20683, 983605), (28103, 723905), (29045, 700427), (33115, 614341), (33755, 602693), (38485, 528619), (40663, 500305), (46361, 438815), (47257, 430495), (53879, 377585), (55685, 365339), (71435, 284789), (75517, 269395), (81445, 249787), (86099, 236285), (87763, 231805), (100061, 203315), (103415, 196721), (140515, 144781)]