20943456

素因数分解:

$2^5\times 3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{313}}^1$

素因数の和:384

約数の個数: 96

約数和(自身を含む): 59820768

約数和(自身を除く): 38877312

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 41, 48, 51, 68, 82, 96, 102, 123, 136, 164, 204, 246, 272, 313, 328, 408, 492, 544, 626, 656, 697, 816, 939, 984, 1252, 1312, 1394, 1632, 1878, 1968, 2091, 2504, 2788, 3756, 3936, 4182, 5008, 5321, 5576, 7512, 8364, 10016, 10642, 11152, 12833, 15024, 15963, 16728, 21284, 22304, 25666, 30048, 31926, 33456, 38499, 42568, 51332, 63852, 66912, 76998, 85136, 102664, 127704, 153996, 170272, 205328, 218161, 255408, 307992, 410656, 436322, 510816, 615984, 654483, 872644, 1231968, 1308966, 1745288, 2617932, 3490576, 5235864, 6981152, 10471728, 20943456]

約数ペア:

[(1, 20943456), (2, 10471728), (3, 6981152), (4, 5235864), (6, 3490576), (8, 2617932), (12, 1745288), (16, 1308966), (17, 1231968), (24, 872644), (32, 654483), (34, 615984), (41, 510816), (48, 436322), (51, 410656), (68, 307992), (82, 255408), (96, 218161), (102, 205328), (123, 170272), (136, 153996), (164, 127704), (204, 102664), (246, 85136), (272, 76998), (313, 66912), (328, 63852), (408, 51332), (492, 42568), (544, 38499), (626, 33456), (656, 31926), (697, 30048), (816, 25666), (939, 22304), (984, 21284), (1252, 16728), (1312, 15963), (1394, 15024), (1632, 12833), (1878, 11152), (1968, 10642), (2091, 10016), (2504, 8364), (2788, 7512), (3756, 5576), (3936, 5321), (4182, 5008)]