20761594

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:251

約数の個数: 48

約数和(自身を含む): 38676096

約数和(自身を除く): 17914502

約数列:

[1, 2, 7, 14, 23, 46, 49, 61, 98, 122, 151, 161, 302, 322, 427, 854, 1057, 1127, 1403, 2114, 2254, 2806, 2989, 3473, 5978, 6946, 7399, 9211, 9821, 14798, 18422, 19642, 24311, 48622, 64477, 68747, 128954, 137494, 170177, 211853, 340354, 423706, 451339, 902678, 1482971, 2965942, 10380797, 20761594]

約数ペア:

[(1, 20761594), (2, 10380797), (7, 2965942), (14, 1482971), (23, 902678), (46, 451339), (49, 423706), (61, 340354), (98, 211853), (122, 170177), (151, 137494), (161, 128954), (302, 68747), (322, 64477), (427, 48622), (854, 24311), (1057, 19642), (1127, 18422), (1403, 14798), (2114, 9821), (2254, 9211), (2806, 7399), (2989, 6946), (3473, 5978)]