20571264

素因数分解:

$2^7\times 3^2\times 7^1\times {\mathrm{2551}}^1$

素因数の和:2578

約数の個数: 96

約数和(自身を含む): 67679040

約数和(自身を除く): 47107776

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 128, 144, 168, 192, 224, 252, 288, 336, 384, 448, 504, 576, 672, 896, 1008, 1152, 1344, 2016, 2551, 2688, 4032, 5102, 7653, 8064, 10204, 15306, 17857, 20408, 22959, 30612, 35714, 40816, 45918, 53571, 61224, 71428, 81632, 91836, 107142, 122448, 142856, 160713, 163264, 183672, 214284, 244896, 285712, 321426, 326528, 367344, 428568, 489792, 571424, 642852, 734688, 857136, 979584, 1142848, 1285704, 1469376, 1714272, 2285696, 2571408, 2938752, 3428544, 5142816, 6857088, 10285632, 20571264]

約数ペア:

[(1, 20571264), (2, 10285632), (3, 6857088), (4, 5142816), (6, 3428544), (7, 2938752), (8, 2571408), (9, 2285696), (12, 1714272), (14, 1469376), (16, 1285704), (18, 1142848), (21, 979584), (24, 857136), (28, 734688), (32, 642852), (36, 571424), (42, 489792), (48, 428568), (56, 367344), (63, 326528), (64, 321426), (72, 285712), (84, 244896), (96, 214284), (112, 183672), (126, 163264), (128, 160713), (144, 142856), (168, 122448), (192, 107142), (224, 91836), (252, 81632), (288, 71428), (336, 61224), (384, 53571), (448, 45918), (504, 40816), (576, 35714), (672, 30612), (896, 22959), (1008, 20408), (1152, 17857), (1344, 15306), (2016, 10204), (2551, 8064), (2688, 7653), (4032, 5102)]