20831616

素因数分解:

$2^7\times 3^2\times {\mathrm{13}}^2\times {\mathrm{107}}^1$

素因数の和:153

約数の個数: 144

約数和(自身を含む): 65517660

約数和(自身を除く): 44686044

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 64, 72, 78, 96, 104, 107, 117, 128, 144, 156, 169, 192, 208, 214, 234, 288, 312, 321, 338, 384, 416, 428, 468, 507, 576, 624, 642, 676, 832, 856, 936, 963, 1014, 1152, 1248, 1284, 1352, 1391, 1521, 1664, 1712, 1872, 1926, 2028, 2496, 2568, 2704, 2782, 3042, 3424, 3744, 3852, 4056, 4173, 4992, 5136, 5408, 5564, 6084, 6848, 7488, 7704, 8112, 8346, 10272, 10816, 11128, 12168, 12519, 13696, 14976, 15408, 16224, 16692, 18083, 20544, 21632, 22256, 24336, 25038, 30816, 32448, 33384, 36166, 41088, 44512, 48672, 50076, 54249, 61632, 64896, 66768, 72332, 89024, 97344, 100152, 108498, 123264, 133536, 144664, 162747, 178048, 194688, 200304, 216996, 267072, 289328, 325494, 400608, 433992, 534144, 578656, 650988, 801216, 867984, 1157312, 1301976, 1602432, 1735968, 2314624, 2603952, 3471936, 5207904, 6943872, 10415808, 20831616]

約数ペア:

[(1, 20831616), (2, 10415808), (3, 6943872), (4, 5207904), (6, 3471936), (8, 2603952), (9, 2314624), (12, 1735968), (13, 1602432), (16, 1301976), (18, 1157312), (24, 867984), (26, 801216), (32, 650988), (36, 578656), (39, 534144), (48, 433992), (52, 400608), (64, 325494), (72, 289328), (78, 267072), (96, 216996), (104, 200304), (107, 194688), (117, 178048), (128, 162747), (144, 144664), (156, 133536), (169, 123264), (192, 108498), (208, 100152), (214, 97344), (234, 89024), (288, 72332), (312, 66768), (321, 64896), (338, 61632), (384, 54249), (416, 50076), (428, 48672), (468, 44512), (507, 41088), (576, 36166), (624, 33384), (642, 32448), (676, 30816), (832, 25038), (856, 24336), (936, 22256), (963, 21632), (1014, 20544), (1152, 18083), (1248, 16692), (1284, 16224), (1352, 15408), (1391, 14976), (1521, 13696), (1664, 12519), (1712, 12168), (1872, 11128), (1926, 10816), (2028, 10272), (2496, 8346), (2568, 8112), (2704, 7704), (2782, 7488), (3042, 6848), (3424, 6084), (3744, 5564), (3852, 5408), (4056, 5136), (4173, 4992)]