20171423545

素因数分解:

$5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{283}}^1$

素因数の和:484

約数の個数: 128

約数和(自身を含む): 32062464000

約数和(自身を除く): 11891040455

約数列:

[1, 5, 7, 13, 23, 35, 49, 65, 91, 115, 139, 161, 245, 283, 299, 343, 455, 637, 695, 805, 973, 1127, 1415, 1495, 1715, 1807, 1981, 2093, 3185, 3197, 3679, 4459, 4865, 5635, 6509, 6811, 7889, 9035, 9905, 10465, 12649, 13867, 14651, 15985, 18395, 22295, 22379, 25753, 32545, 34055, 39337, 39445, 41561, 45563, 47677, 63245, 69335, 73255, 84617, 88543, 97069, 102557, 111895, 128765, 156653, 180271, 196685, 207805, 227815, 238385, 275359, 290927, 318941, 423085, 442715, 485345, 511381, 512785, 592319, 619801, 783265, 901355, 904751, 1096571, 1261897, 1376795, 1454635, 1594705, 1927513, 2036489, 2232587, 2556905, 2961595, 3099005, 3579667, 4146233, 4523755, 5482855, 6309485, 6333257, 9637565, 10182445, 11162935, 11761763, 13492591, 14255423, 17898335, 20731165, 25057669, 29023631, 31666285, 44332799, 58808815, 67462955, 71277115, 82332341, 125288345, 145118155, 175403683, 221663995, 310329593, 411661705, 576326387, 877018415, 1551647965, 2881631935, 4034284709, 20171423545]

約数ペア:

[(1, 20171423545), (5, 4034284709), (7, 2881631935), (13, 1551647965), (23, 877018415), (35, 576326387), (49, 411661705), (65, 310329593), (91, 221663995), (115, 175403683), (139, 145118155), (161, 125288345), (245, 82332341), (283, 71277115), (299, 67462955), (343, 58808815), (455, 44332799), (637, 31666285), (695, 29023631), (805, 25057669), (973, 20731165), (1127, 17898335), (1415, 14255423), (1495, 13492591), (1715, 11761763), (1807, 11162935), (1981, 10182445), (2093, 9637565), (3185, 6333257), (3197, 6309485), (3679, 5482855), (4459, 4523755), (4865, 4146233), (5635, 3579667), (6509, 3099005), (6811, 2961595), (7889, 2556905), (9035, 2232587), (9905, 2036489), (10465, 1927513), (12649, 1594705), (13867, 1454635), (14651, 1376795), (15985, 1261897), (18395, 1096571), (22295, 904751), (22379, 901355), (25753, 783265), (32545, 619801), (34055, 592319), (39337, 512785), (39445, 511381), (41561, 485345), (45563, 442715), (47677, 423085), (63245, 318941), (69335, 290927), (73255, 275359), (84617, 238385), (88543, 227815), (97069, 207805), (102557, 196685), (111895, 180271), (128765, 156653)]