20171669805

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1\times {\mathrm{4111}}^1$

素因数の和:4587

約数の個数: 96

約数和(自身を含む): 41146579968

約数和(自身を除く): 20974910163

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 37, 45, 63, 105, 111, 185, 259, 315, 333, 421, 555, 777, 1263, 1295, 1665, 2105, 2331, 2947, 3789, 3885, 4111, 6315, 8841, 11655, 12333, 14735, 15577, 18945, 20555, 26523, 28777, 36999, 44205, 46731, 61665, 77885, 86331, 109039, 132615, 140193, 143885, 152107, 184995, 233655, 258993, 327117, 431655, 456321, 545195, 700965, 760535, 981351, 1064749, 1294965, 1368963, 1635585, 1730731, 2281605, 3194247, 4906755, 5192193, 5323745, 6844815, 8653655, 9582741, 12115117, 15576579, 15971235, 25960965, 36345351, 47913705, 60575585, 64037047, 77882895, 109036053, 181726755, 192111141, 320185235, 448259329, 545180265, 576333423, 960555705, 1344777987, 2241296645, 2881667115, 4034333961, 6723889935, 20171669805]

約数ペア:

[(1, 20171669805), (3, 6723889935), (5, 4034333961), (7, 2881667115), (9, 2241296645), (15, 1344777987), (21, 960555705), (35, 576333423), (37, 545180265), (45, 448259329), (63, 320185235), (105, 192111141), (111, 181726755), (185, 109036053), (259, 77882895), (315, 64037047), (333, 60575585), (421, 47913705), (555, 36345351), (777, 25960965), (1263, 15971235), (1295, 15576579), (1665, 12115117), (2105, 9582741), (2331, 8653655), (2947, 6844815), (3789, 5323745), (3885, 5192193), (4111, 4906755), (6315, 3194247), (8841, 2281605), (11655, 1730731), (12333, 1635585), (14735, 1368963), (15577, 1294965), (18945, 1064749), (20555, 981351), (26523, 760535), (28777, 700965), (36999, 545195), (44205, 456321), (46731, 431655), (61665, 327117), (77885, 258993), (86331, 233655), (109039, 184995), (132615, 152107), (140193, 143885)]