20877264

素因数分解:

$2^4\times 3^4\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:290

約数の個数: 100

約数和(自身を含む): 61441380

約数和(自身を除く): 40564116

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 89, 108, 144, 162, 178, 181, 216, 267, 324, 356, 362, 432, 534, 543, 648, 712, 724, 801, 1068, 1086, 1296, 1424, 1448, 1602, 1629, 2136, 2172, 2403, 2896, 3204, 3258, 4272, 4344, 4806, 4887, 6408, 6516, 7209, 8688, 9612, 9774, 12816, 13032, 14418, 14661, 16109, 19224, 19548, 26064, 28836, 29322, 32218, 38448, 39096, 48327, 57672, 58644, 64436, 78192, 96654, 115344, 117288, 128872, 144981, 193308, 234576, 257744, 289962, 386616, 434943, 579924, 773232, 869886, 1159848, 1304829, 1739772, 2319696, 2609658, 3479544, 5219316, 6959088, 10438632, 20877264]

約数ペア:

[(1, 20877264), (2, 10438632), (3, 6959088), (4, 5219316), (6, 3479544), (8, 2609658), (9, 2319696), (12, 1739772), (16, 1304829), (18, 1159848), (24, 869886), (27, 773232), (36, 579924), (48, 434943), (54, 386616), (72, 289962), (81, 257744), (89, 234576), (108, 193308), (144, 144981), (162, 128872), (178, 117288), (181, 115344), (216, 96654), (267, 78192), (324, 64436), (356, 58644), (362, 57672), (432, 48327), (534, 39096), (543, 38448), (648, 32218), (712, 29322), (724, 28836), (801, 26064), (1068, 19548), (1086, 19224), (1296, 16109), (1424, 14661), (1448, 14418), (1602, 13032), (1629, 12816), (2136, 9774), (2172, 9612), (2403, 8688), (2896, 7209), (3204, 6516), (3258, 6408), (4272, 4887), (4344, 4806)]