20793557974

素因数分解:

$2^1\times 7^4\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{3191}}^1$

素因数の和:3303

約数の個数: 80

約数和(自身を含む): 38624221440

約数和(自身を除く): 17830663466

約数列:

[1, 2, 7, 14, 23, 46, 49, 59, 98, 118, 161, 322, 343, 413, 686, 826, 1127, 1357, 2254, 2401, 2714, 2891, 3191, 4802, 5782, 6382, 7889, 9499, 15778, 18998, 20237, 22337, 40474, 44674, 55223, 66493, 73393, 110446, 132986, 141659, 146786, 156359, 188269, 283318, 312718, 376538, 465451, 513751, 930902, 1027502, 1094513, 1317883, 2189026, 2635766, 3258157, 3596257, 4330187, 6516314, 7192514, 7661591, 8660374, 9225181, 15323182, 18450362, 25173799, 30311309, 50347598, 60622618, 64576267, 129152534, 176216593, 212179163, 352433186, 424358326, 452033869, 904067738, 1485254141, 2970508282, 10396778987, 20793557974]

約数ペア:

[(1, 20793557974), (2, 10396778987), (7, 2970508282), (14, 1485254141), (23, 904067738), (46, 452033869), (49, 424358326), (59, 352433186), (98, 212179163), (118, 176216593), (161, 129152534), (322, 64576267), (343, 60622618), (413, 50347598), (686, 30311309), (826, 25173799), (1127, 18450362), (1357, 15323182), (2254, 9225181), (2401, 8660374), (2714, 7661591), (2891, 7192514), (3191, 6516314), (4802, 4330187), (5782, 3596257), (6382, 3258157), (7889, 2635766), (9499, 2189026), (15778, 1317883), (18998, 1094513), (20237, 1027502), (22337, 930902), (40474, 513751), (44674, 465451), (55223, 376538), (66493, 312718), (73393, 283318), (110446, 188269), (132986, 156359), (141659, 146786)]