20181345536

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{121469}}^1$

素因数の和:121555

約数の個数: 72

約数和(自身を含む): 44691242400

約数和(自身を除く): 24509896864

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 59, 64, 88, 118, 128, 176, 236, 256, 352, 472, 649, 704, 944, 1298, 1408, 1888, 2596, 2816, 3776, 5192, 7552, 10384, 15104, 20768, 41536, 83072, 121469, 166144, 242938, 485876, 971752, 1336159, 1943504, 2672318, 3887008, 5344636, 7166671, 7774016, 10689272, 14333342, 15548032, 21378544, 28666684, 31096064, 42757088, 57333368, 78833381, 85514176, 114666736, 157666762, 171028352, 229333472, 315333524, 342056704, 458666944, 630667048, 917333888, 1261334096, 1834667776, 2522668192, 5045336384, 10090672768, 20181345536]

約数ペア:

[(1, 20181345536), (2, 10090672768), (4, 5045336384), (8, 2522668192), (11, 1834667776), (16, 1261334096), (22, 917333888), (32, 630667048), (44, 458666944), (59, 342056704), (64, 315333524), (88, 229333472), (118, 171028352), (128, 157666762), (176, 114666736), (236, 85514176), (256, 78833381), (352, 57333368), (472, 42757088), (649, 31096064), (704, 28666684), (944, 21378544), (1298, 15548032), (1408, 14333342), (1888, 10689272), (2596, 7774016), (2816, 7166671), (3776, 5344636), (5192, 3887008), (7552, 2672318), (10384, 1943504), (15104, 1336159), (20768, 971752), (41536, 485876), (83072, 242938), (121469, 166144)]