20804828110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{239}}^1\times {\mathrm{4421}}^1$

素因数の和:4857

約数の個数: 64

約数和(自身を含む): 41262566400

約数和(自身を除く): 20457738290

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 179, 239, 358, 478, 895, 1195, 1790, 1969, 2390, 2629, 3938, 4421, 5258, 8842, 9845, 13145, 19690, 22105, 26290, 42781, 44210, 48631, 85562, 97262, 213905, 243155, 427810, 470591, 486310, 791359, 941182, 1056619, 1582718, 2113238, 2352955, 3956795, 4705910, 5283095, 7913590, 8704949, 10566190, 11622809, 17409898, 23245618, 43524745, 58114045, 87049490, 116228090, 189134801, 378269602, 945674005, 1891348010, 2080482811, 4160965622, 10402414055, 20804828110]

約数ペア:

[(1, 20804828110), (2, 10402414055), (5, 4160965622), (10, 2080482811), (11, 1891348010), (22, 945674005), (55, 378269602), (110, 189134801), (179, 116228090), (239, 87049490), (358, 58114045), (478, 43524745), (895, 23245618), (1195, 17409898), (1790, 11622809), (1969, 10566190), (2390, 8704949), (2629, 7913590), (3938, 5283095), (4421, 4705910), (5258, 3956795), (8842, 2352955), (9845, 2113238), (13145, 1582718), (19690, 1056619), (22105, 941182), (26290, 791359), (42781, 486310), (44210, 470591), (48631, 427810), (85562, 243155), (97262, 213905)]