20186121424

素因数分解:

$2^4\times 7^1\times {\mathrm{137}}^1\times {\mathrm{373}}^1\times {\mathrm{3527}}^1$

素因数の和:4052

約数の個数: 80

約数和(自身を含む): 45157609728

約数和(自身を除く): 24971488304

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 137, 274, 373, 548, 746, 959, 1096, 1492, 1918, 2192, 2611, 2984, 3527, 3836, 5222, 5968, 7054, 7672, 10444, 14108, 15344, 20888, 24689, 28216, 41776, 49378, 51101, 56432, 98756, 102202, 197512, 204404, 357707, 395024, 408808, 483199, 715414, 817616, 966398, 1315571, 1430828, 1932796, 2631142, 2861656, 3382393, 3865592, 5262284, 5723312, 6764786, 7731184, 9208997, 10524568, 13529572, 18417994, 21049136, 27059144, 36835988, 54118288, 73671976, 147343952, 180233227, 360466454, 720932908, 1261632589, 1441865816, 2523265178, 2883731632, 5046530356, 10093060712, 20186121424]

約数ペア:

[(1, 20186121424), (2, 10093060712), (4, 5046530356), (7, 2883731632), (8, 2523265178), (14, 1441865816), (16, 1261632589), (28, 720932908), (56, 360466454), (112, 180233227), (137, 147343952), (274, 73671976), (373, 54118288), (548, 36835988), (746, 27059144), (959, 21049136), (1096, 18417994), (1492, 13529572), (1918, 10524568), (2192, 9208997), (2611, 7731184), (2984, 6764786), (3527, 5723312), (3836, 5262284), (5222, 3865592), (5968, 3382393), (7054, 2861656), (7672, 2631142), (10444, 1932796), (14108, 1430828), (15344, 1315571), (20888, 966398), (24689, 817616), (28216, 715414), (41776, 483199), (49378, 408808), (51101, 395024), (56432, 357707), (98756, 204404), (102202, 197512)]