20172918692

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1\times {\mathrm{641}}^1$

素因数の和:981

約数の個数: 96

約数和(自身を含む): 39294097920

約数和(自身を除く): 19121179228

約数列:

[1, 2, 4, 17, 34, 43, 47, 68, 86, 94, 172, 188, 229, 458, 641, 731, 799, 916, 1282, 1462, 1598, 2021, 2564, 2924, 3196, 3893, 4042, 7786, 8084, 9847, 10763, 10897, 15572, 19694, 21526, 21794, 27563, 30127, 34357, 39388, 43052, 43588, 55126, 60254, 68714, 110252, 120508, 137428, 146789, 167399, 182971, 293578, 334798, 365942, 462809, 468571, 512159, 587156, 669596, 731884, 925618, 937142, 1024318, 1295461, 1851236, 1874284, 2048636, 2495413, 2590922, 4990826, 5181844, 6311927, 6899083, 7867753, 9981652, 12623854, 13798166, 15735506, 22022837, 25247708, 27596332, 31471012, 44045674, 88091348, 107302759, 117284411, 214605518, 234568822, 296660569, 429211036, 469137644, 593321138, 1186642276, 5043229673, 10086459346, 20172918692]

約数ペア:

[(1, 20172918692), (2, 10086459346), (4, 5043229673), (17, 1186642276), (34, 593321138), (43, 469137644), (47, 429211036), (68, 296660569), (86, 234568822), (94, 214605518), (172, 117284411), (188, 107302759), (229, 88091348), (458, 44045674), (641, 31471012), (731, 27596332), (799, 25247708), (916, 22022837), (1282, 15735506), (1462, 13798166), (1598, 12623854), (2021, 9981652), (2564, 7867753), (2924, 6899083), (3196, 6311927), (3893, 5181844), (4042, 4990826), (7786, 2590922), (8084, 2495413), (9847, 2048636), (10763, 1874284), (10897, 1851236), (15572, 1295461), (19694, 1024318), (21526, 937142), (21794, 925618), (27563, 731884), (30127, 669596), (34357, 587156), (39388, 512159), (43052, 468571), (43588, 462809), (55126, 365942), (60254, 334798), (68714, 293578), (110252, 182971), (120508, 167399), (137428, 146789)]