20161031936

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{1873}}^1\times {\mathrm{2213}}^1$

素因数の和:4121

約数の個数: 72

約数和(自身を含む): 42403147920

約数和(自身を除く): 22242115984

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 608, 1216, 1873, 2213, 2432, 3746, 4426, 4864, 7492, 8852, 14984, 17704, 29968, 35408, 35587, 42047, 59936, 70816, 71174, 84094, 119872, 141632, 142348, 168188, 239744, 283264, 284696, 336376, 479488, 566528, 569392, 672752, 1138784, 1345504, 2277568, 2691008, 4144949, 4555136, 5382016, 8289898, 9110272, 10764032, 16579796, 33159592, 66319184, 78754031, 132638368, 157508062, 265276736, 315016124, 530553472, 630032248, 1061106944, 1260064496, 2520128992, 5040257984, 10080515968, 20161031936]

約数ペア:

[(1, 20161031936), (2, 10080515968), (4, 5040257984), (8, 2520128992), (16, 1260064496), (19, 1061106944), (32, 630032248), (38, 530553472), (64, 315016124), (76, 265276736), (128, 157508062), (152, 132638368), (256, 78754031), (304, 66319184), (608, 33159592), (1216, 16579796), (1873, 10764032), (2213, 9110272), (2432, 8289898), (3746, 5382016), (4426, 4555136), (4864, 4144949), (7492, 2691008), (8852, 2277568), (14984, 1345504), (17704, 1138784), (29968, 672752), (35408, 569392), (35587, 566528), (42047, 479488), (59936, 336376), (70816, 284696), (71174, 283264), (84094, 239744), (119872, 168188), (141632, 142348)]