20438964051

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{269}}^1$

素因数の和:605

約数の個数: 96

約数和(自身を含む): 32848312320

約数和(自身を除く): 12409348269

約数列:

[1, 3, 11, 17, 31, 33, 51, 93, 187, 257, 269, 289, 341, 527, 561, 771, 807, 867, 1023, 1581, 2827, 2959, 3179, 4369, 4573, 5797, 7967, 8339, 8481, 8877, 8959, 9537, 13107, 13719, 17391, 23901, 25017, 26877, 48059, 50303, 69133, 74273, 77741, 87637, 91729, 98549, 135439, 141763, 144177, 150909, 207399, 222819, 233223, 262911, 275187, 295647, 406317, 425289, 760463, 817003, 855151, 1175261, 1489829, 1559393, 2143123, 2281389, 2302463, 2409971, 2451009, 2565453, 3525783, 4469487, 4678179, 6429369, 6907389, 7229913, 12927871, 19979437, 23574353, 25327093, 26509681, 36433091, 38783613, 59938311, 70723059, 75981279, 79529043, 109299273, 219773807, 400764001, 619362547, 659321421, 1202292003, 1858087641, 6812988017, 20438964051]

約数ペア:

[(1, 20438964051), (3, 6812988017), (11, 1858087641), (17, 1202292003), (31, 659321421), (33, 619362547), (51, 400764001), (93, 219773807), (187, 109299273), (257, 79529043), (269, 75981279), (289, 70723059), (341, 59938311), (527, 38783613), (561, 36433091), (771, 26509681), (807, 25327093), (867, 23574353), (1023, 19979437), (1581, 12927871), (2827, 7229913), (2959, 6907389), (3179, 6429369), (4369, 4678179), (4573, 4469487), (5797, 3525783), (7967, 2565453), (8339, 2451009), (8481, 2409971), (8877, 2302463), (8959, 2281389), (9537, 2143123), (13107, 1559393), (13719, 1489829), (17391, 1175261), (23901, 855151), (25017, 817003), (26877, 760463), (48059, 425289), (50303, 406317), (69133, 295647), (74273, 275187), (77741, 262911), (87637, 233223), (91729, 222819), (98549, 207399), (135439, 150909), (141763, 144177)]