20532447

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:110

約数の個数: 80

約数和(自身を含む): 37078272

約数和(自身を除く): 16545825

約数列:

[1, 3, 9, 13, 17, 27, 31, 37, 39, 51, 81, 93, 111, 117, 153, 221, 279, 333, 351, 403, 459, 481, 527, 629, 663, 837, 999, 1053, 1147, 1209, 1377, 1443, 1581, 1887, 1989, 2511, 2997, 3441, 3627, 4329, 4743, 5661, 5967, 6851, 8177, 10323, 10881, 12987, 14229, 14911, 16983, 17901, 19499, 20553, 24531, 30969, 32643, 38961, 42687, 44733, 50949, 58497, 61659, 73593, 92907, 134199, 175491, 184977, 220779, 253487, 402597, 526473, 554931, 662337, 760461, 1207791, 1579419, 2281383, 6844149, 20532447]

約数ペア:

[(1, 20532447), (3, 6844149), (9, 2281383), (13, 1579419), (17, 1207791), (27, 760461), (31, 662337), (37, 554931), (39, 526473), (51, 402597), (81, 253487), (93, 220779), (111, 184977), (117, 175491), (153, 134199), (221, 92907), (279, 73593), (333, 61659), (351, 58497), (403, 50949), (459, 44733), (481, 42687), (527, 38961), (629, 32643), (663, 30969), (837, 24531), (999, 20553), (1053, 19499), (1147, 17901), (1209, 16983), (1377, 14911), (1443, 14229), (1581, 12987), (1887, 10881), (1989, 10323), (2511, 8177), (2997, 6851), (3441, 5967), (3627, 5661), (4329, 4743)]