20171030128

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{467}}^1\times {\mathrm{9341}}^1$

素因数の和:9850

約数の個数: 60

約数和(自身を含む): 41608856952

約数和(自身を除く): 21437826824

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 289, 467, 578, 934, 1156, 1868, 2312, 3736, 4624, 7472, 7939, 9341, 15878, 18682, 31756, 37364, 63512, 74728, 127024, 134963, 149456, 158797, 269926, 317594, 539852, 635188, 1079704, 1270376, 2159408, 2540752, 2699549, 4362247, 5399098, 8724494, 10798196, 17448988, 21596392, 34897976, 43192784, 69795952, 74158199, 148316398, 296632796, 593265592, 1186531184, 1260689383, 2521378766, 5042757532, 10085515064, 20171030128]

約数ペア:

[(1, 20171030128), (2, 10085515064), (4, 5042757532), (8, 2521378766), (16, 1260689383), (17, 1186531184), (34, 593265592), (68, 296632796), (136, 148316398), (272, 74158199), (289, 69795952), (467, 43192784), (578, 34897976), (934, 21596392), (1156, 17448988), (1868, 10798196), (2312, 8724494), (3736, 5399098), (4624, 4362247), (7472, 2699549), (7939, 2540752), (9341, 2159408), (15878, 1270376), (18682, 1079704), (31756, 635188), (37364, 539852), (63512, 317594), (74728, 269926), (127024, 158797), (134963, 149456)]