20478522031

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{42071}}^1$

素因数の和:42255

約数の個数: 32

約数和(自身を含む): 25081643520

約数和(自身を除く): 4603121489

約数列:

[1, 11, 17, 19, 137, 187, 209, 323, 1507, 2329, 2603, 3553, 25619, 28633, 42071, 44251, 462781, 486761, 715207, 799349, 5763727, 7867277, 8792839, 13588933, 63400997, 97983359, 109510813, 149478263, 1077816949, 1204618943, 1861683821, 20478522031]

約数ペア:

[(1, 20478522031), (11, 1861683821), (17, 1204618943), (19, 1077816949), (137, 149478263), (187, 109510813), (209, 97983359), (323, 63400997), (1507, 13588933), (2329, 8792839), (2603, 7867277), (3553, 5763727), (25619, 799349), (28633, 715207), (42071, 486761), (44251, 462781)]