20163519236

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1\times {\mathrm{809}}^1$

素因数の和:1153

約数の個数: 96

約数和(自身を含む): 41896673280

約数和(自身を除く): 21733154044

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 127, 163, 172, 254, 301, 326, 508, 602, 652, 809, 889, 1141, 1204, 1618, 1778, 2282, 3236, 3556, 4564, 5461, 5663, 7009, 10922, 11326, 14018, 20701, 21844, 22652, 28036, 34787, 38227, 41402, 49063, 69574, 76454, 82804, 98126, 102743, 131867, 139148, 144907, 152908, 196252, 205486, 243509, 263734, 289814, 410972, 487018, 527468, 579628, 719201, 890143, 923069, 974036, 1438402, 1780286, 1846138, 2876804, 3560572, 3692276, 4417949, 5670281, 6231001, 8835898, 11340562, 12462002, 16747109, 17671796, 22681124, 24924004, 30925643, 33494218, 39691967, 61851286, 66988436, 79383934, 117229763, 123702572, 158767868, 234459526, 468919052, 720125687, 1440251374, 2880502748, 5040879809, 10081759618, 20163519236]

約数ペア:

[(1, 20163519236), (2, 10081759618), (4, 5040879809), (7, 2880502748), (14, 1440251374), (28, 720125687), (43, 468919052), (86, 234459526), (127, 158767868), (163, 123702572), (172, 117229763), (254, 79383934), (301, 66988436), (326, 61851286), (508, 39691967), (602, 33494218), (652, 30925643), (809, 24924004), (889, 22681124), (1141, 17671796), (1204, 16747109), (1618, 12462002), (1778, 11340562), (2282, 8835898), (3236, 6231001), (3556, 5670281), (4564, 4417949), (5461, 3692276), (5663, 3560572), (7009, 2876804), (10922, 1846138), (11326, 1780286), (14018, 1438402), (20701, 974036), (21844, 923069), (22652, 890143), (28036, 719201), (34787, 579628), (38227, 527468), (41402, 487018), (49063, 410972), (69574, 289814), (76454, 263734), (82804, 243509), (98126, 205486), (102743, 196252), (131867, 152908), (139148, 144907)]