20731056

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1$

素因数の和:374

約数の個数: 80

約数和(自身を含む): 56648160

約数和(自身を除く): 35917104

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 48, 53, 58, 87, 106, 116, 159, 174, 212, 232, 281, 318, 348, 424, 464, 562, 636, 696, 843, 848, 1124, 1272, 1392, 1537, 1686, 2248, 2544, 3074, 3372, 4496, 4611, 6148, 6744, 8149, 9222, 12296, 13488, 14893, 16298, 18444, 24447, 24592, 29786, 32596, 36888, 44679, 48894, 59572, 65192, 73776, 89358, 97788, 119144, 130384, 178716, 195576, 238288, 357432, 391152, 431897, 714864, 863794, 1295691, 1727588, 2591382, 3455176, 5182764, 6910352, 10365528, 20731056]

約数ペア:

[(1, 20731056), (2, 10365528), (3, 6910352), (4, 5182764), (6, 3455176), (8, 2591382), (12, 1727588), (16, 1295691), (24, 863794), (29, 714864), (48, 431897), (53, 391152), (58, 357432), (87, 238288), (106, 195576), (116, 178716), (159, 130384), (174, 119144), (212, 97788), (232, 89358), (281, 73776), (318, 65192), (348, 59572), (424, 48894), (464, 44679), (562, 36888), (636, 32596), (696, 29786), (843, 24592), (848, 24447), (1124, 18444), (1272, 16298), (1392, 14893), (1537, 13488), (1686, 12296), (2248, 9222), (2544, 8149), (3074, 6744), (3372, 6148), (4496, 4611)]