20743468

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 40612320

約数和(自身を除く): 19868852

約数列:

[1, 2, 4, 17, 29, 34, 58, 67, 68, 116, 134, 157, 268, 314, 493, 628, 986, 1139, 1943, 1972, 2278, 2669, 3886, 4553, 4556, 5338, 7772, 9106, 10519, 10676, 18212, 21038, 33031, 42076, 66062, 77401, 132124, 154802, 178823, 305051, 309604, 357646, 610102, 715292, 1220204, 5185867, 10371734, 20743468]

約数ペア:

[(1, 20743468), (2, 10371734), (4, 5185867), (17, 1220204), (29, 715292), (34, 610102), (58, 357646), (67, 309604), (68, 305051), (116, 178823), (134, 154802), (157, 132124), (268, 77401), (314, 66062), (493, 42076), (628, 33031), (986, 21038), (1139, 18212), (1943, 10676), (1972, 10519), (2278, 9106), (2669, 7772), (3886, 5338), (4553, 4556)]