20377356

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:191

約数の個数: 96

約数和(自身を含む): 54286848

約数和(自身を除く): 33909492

約数列:

[1, 2, 3, 4, 6, 12, 17, 23, 34, 43, 46, 51, 68, 69, 86, 92, 101, 102, 129, 138, 172, 202, 204, 258, 276, 303, 391, 404, 516, 606, 731, 782, 989, 1173, 1212, 1462, 1564, 1717, 1978, 2193, 2323, 2346, 2924, 2967, 3434, 3956, 4343, 4386, 4646, 4692, 5151, 5934, 6868, 6969, 8686, 8772, 9292, 10302, 11868, 13029, 13938, 16813, 17372, 20604, 26058, 27876, 33626, 39491, 50439, 52116, 67252, 73831, 78982, 99889, 100878, 118473, 147662, 157964, 199778, 201756, 221493, 236946, 295324, 299667, 399556, 442986, 473892, 599334, 885972, 1198668, 1698113, 3396226, 5094339, 6792452, 10188678, 20377356]

約数ペア:

[(1, 20377356), (2, 10188678), (3, 6792452), (4, 5094339), (6, 3396226), (12, 1698113), (17, 1198668), (23, 885972), (34, 599334), (43, 473892), (46, 442986), (51, 399556), (68, 299667), (69, 295324), (86, 236946), (92, 221493), (101, 201756), (102, 199778), (129, 157964), (138, 147662), (172, 118473), (202, 100878), (204, 99889), (258, 78982), (276, 73831), (303, 67252), (391, 52116), (404, 50439), (516, 39491), (606, 33626), (731, 27876), (782, 26058), (989, 20604), (1173, 17372), (1212, 16813), (1462, 13938), (1564, 13029), (1717, 11868), (1978, 10302), (2193, 9292), (2323, 8772), (2346, 8686), (2924, 6969), (2967, 6868), (3434, 5934), (3956, 5151), (4343, 4692), (4386, 4646)]