20201471997

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{317}}^1\times {\mathrm{1847}}^1$

素因数の和:2258

約数の個数: 64

約数和(自身を含む): 32495468544

約数和(自身を除く): 12293996547

約数列:

[1, 3, 7, 21, 31, 53, 93, 159, 217, 317, 371, 651, 951, 1113, 1643, 1847, 2219, 4929, 5541, 6657, 9827, 11501, 12929, 16801, 29481, 34503, 38787, 50403, 57257, 68789, 97891, 117607, 171771, 206367, 293673, 352821, 400799, 520831, 585499, 685237, 1202397, 1562493, 1756497, 2055711, 3034621, 3645817, 4098493, 9103863, 10937451, 12295479, 18150469, 21242347, 31031447, 54451407, 63727041, 93094341, 127053283, 217220129, 381159849, 651660387, 961974857, 2885924571, 6733823999, 20201471997]

約数ペア:

[(1, 20201471997), (3, 6733823999), (7, 2885924571), (21, 961974857), (31, 651660387), (53, 381159849), (93, 217220129), (159, 127053283), (217, 93094341), (317, 63727041), (371, 54451407), (651, 31031447), (951, 21242347), (1113, 18150469), (1643, 12295479), (1847, 10937451), (2219, 9103863), (4929, 4098493), (5541, 3645817), (6657, 3034621), (9827, 2055711), (11501, 1756497), (12929, 1562493), (16801, 1202397), (29481, 685237), (34503, 585499), (38787, 520831), (50403, 400799), (57257, 352821), (68789, 293673), (97891, 206367), (117607, 171771)]