20214821418

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{461}}^1\times {\mathrm{15451}}^1$

素因数の和:15971

約数の個数: 64

約数和(自身を含む): 45231588864

約数和(自身を除く): 25016767446

約数列:

[1, 2, 3, 6, 11, 22, 33, 43, 66, 86, 129, 258, 461, 473, 922, 946, 1383, 1419, 2766, 2838, 5071, 10142, 15213, 15451, 19823, 30426, 30902, 39646, 46353, 59469, 92706, 118938, 169961, 218053, 339922, 436106, 509883, 654159, 664393, 1019766, 1308318, 1328786, 1993179, 3986358, 7122911, 7308323, 14245822, 14616646, 21368733, 21924969, 42737466, 43849938, 78352021, 156704042, 235056063, 306285173, 470112126, 612570346, 918855519, 1837711038, 3369136903, 6738273806, 10107410709, 20214821418]

約数ペア:

[(1, 20214821418), (2, 10107410709), (3, 6738273806), (6, 3369136903), (11, 1837711038), (22, 918855519), (33, 612570346), (43, 470112126), (66, 306285173), (86, 235056063), (129, 156704042), (258, 78352021), (461, 43849938), (473, 42737466), (922, 21924969), (946, 21368733), (1383, 14616646), (1419, 14245822), (2766, 7308323), (2838, 7122911), (5071, 3986358), (10142, 1993179), (15213, 1328786), (15451, 1308318), (19823, 1019766), (30426, 664393), (30902, 654159), (39646, 509883), (46353, 436106), (59469, 339922), (92706, 218053), (118938, 169961)]