20983728

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{229}}^1$

素因数の和:346

約数の個数: 80

約数和(自身を含む): 57496320

約数和(自身を除く): 36512592

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 83, 92, 138, 166, 184, 229, 249, 276, 332, 368, 458, 498, 552, 664, 687, 916, 996, 1104, 1328, 1374, 1832, 1909, 1992, 2748, 3664, 3818, 3984, 5267, 5496, 5727, 7636, 10534, 10992, 11454, 15272, 15801, 19007, 21068, 22908, 30544, 31602, 38014, 42136, 45816, 57021, 63204, 76028, 84272, 91632, 114042, 126408, 152056, 228084, 252816, 304112, 437161, 456168, 874322, 912336, 1311483, 1748644, 2622966, 3497288, 5245932, 6994576, 10491864, 20983728]

約数ペア:

[(1, 20983728), (2, 10491864), (3, 6994576), (4, 5245932), (6, 3497288), (8, 2622966), (12, 1748644), (16, 1311483), (23, 912336), (24, 874322), (46, 456168), (48, 437161), (69, 304112), (83, 252816), (92, 228084), (138, 152056), (166, 126408), (184, 114042), (229, 91632), (249, 84272), (276, 76028), (332, 63204), (368, 57021), (458, 45816), (498, 42136), (552, 38014), (664, 31602), (687, 30544), (916, 22908), (996, 21068), (1104, 19007), (1328, 15801), (1374, 15272), (1832, 11454), (1909, 10992), (1992, 10534), (2748, 7636), (3664, 5727), (3818, 5496), (3984, 5267)]