20171288268

素因数分解:

$2^2\times 3^2\times {\mathrm{67}}^1\times {\mathrm{1747}}^1\times {\mathrm{4787}}^1$

素因数の和:6611

約数の個数: 72

約数和(自身を含む): 51789995712

約数和(自身を除く): 31618707444

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 67, 134, 201, 268, 402, 603, 804, 1206, 1747, 2412, 3494, 4787, 5241, 6988, 9574, 10482, 14361, 15723, 19148, 20964, 28722, 31446, 43083, 57444, 62892, 86166, 117049, 172332, 234098, 320729, 351147, 468196, 641458, 702294, 962187, 1053441, 1282916, 1404588, 1924374, 2106882, 2886561, 3848748, 4213764, 5773122, 8362889, 11546244, 16725778, 25088667, 33451556, 50177334, 75266001, 100354668, 150532002, 301064004, 560313563, 1120627126, 1680940689, 2241254252, 3361881378, 5042822067, 6723762756, 10085644134, 20171288268]

約数ペア:

[(1, 20171288268), (2, 10085644134), (3, 6723762756), (4, 5042822067), (6, 3361881378), (9, 2241254252), (12, 1680940689), (18, 1120627126), (36, 560313563), (67, 301064004), (134, 150532002), (201, 100354668), (268, 75266001), (402, 50177334), (603, 33451556), (804, 25088667), (1206, 16725778), (1747, 11546244), (2412, 8362889), (3494, 5773122), (4787, 4213764), (5241, 3848748), (6988, 2886561), (9574, 2106882), (10482, 1924374), (14361, 1404588), (15723, 1282916), (19148, 1053441), (20964, 962187), (28722, 702294), (31446, 641458), (43083, 468196), (57444, 351147), (62892, 320729), (86166, 234098), (117049, 172332)]