20861414

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:189

約数の個数: 64

約数和(自身を含む): 40974336

約数和(自身を除く): 20112922

約数列:

[1, 2, 7, 14, 17, 23, 34, 37, 46, 74, 103, 119, 161, 206, 238, 259, 322, 391, 518, 629, 721, 782, 851, 1258, 1442, 1702, 1751, 2369, 2737, 3502, 3811, 4403, 4738, 5474, 5957, 7622, 8806, 11914, 12257, 14467, 16583, 24514, 26677, 28934, 33166, 40273, 53354, 64787, 80546, 87653, 101269, 129574, 175306, 202538, 281911, 453509, 563822, 613571, 907018, 1227142, 1490101, 2980202, 10430707, 20861414]

約数ペア:

[(1, 20861414), (2, 10430707), (7, 2980202), (14, 1490101), (17, 1227142), (23, 907018), (34, 613571), (37, 563822), (46, 453509), (74, 281911), (103, 202538), (119, 175306), (161, 129574), (206, 101269), (238, 87653), (259, 80546), (322, 64787), (391, 53354), (518, 40273), (629, 33166), (721, 28934), (782, 26677), (851, 24514), (1258, 16583), (1442, 14467), (1702, 12257), (1751, 11914), (2369, 8806), (2737, 7622), (3502, 5957), (3811, 5474), (4403, 4738)]