20741280

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{6173}}^1$

素因数の和:6198

約数の個数: 96

約数和(自身を含む): 74680704

約数和(自身を除く): 53939424

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 6173, 12346, 18519, 24692, 30865, 37038, 43211, 49384, 61730, 74076, 86422, 92595, 98768, 123460, 129633, 148152, 172844, 185190, 197536, 216055, 246920, 259266, 296304, 345688, 370380, 432110, 493840, 518532, 592608, 648165, 691376, 740760, 864220, 987680, 1037064, 1296330, 1382752, 1481520, 1728440, 2074128, 2592660, 2963040, 3456880, 4148256, 5185320, 6913760, 10370640, 20741280]

約数ペア:

[(1, 20741280), (2, 10370640), (3, 6913760), (4, 5185320), (5, 4148256), (6, 3456880), (7, 2963040), (8, 2592660), (10, 2074128), (12, 1728440), (14, 1481520), (15, 1382752), (16, 1296330), (20, 1037064), (21, 987680), (24, 864220), (28, 740760), (30, 691376), (32, 648165), (35, 592608), (40, 518532), (42, 493840), (48, 432110), (56, 370380), (60, 345688), (70, 296304), (80, 259266), (84, 246920), (96, 216055), (105, 197536), (112, 185190), (120, 172844), (140, 148152), (160, 129633), (168, 123460), (210, 98768), (224, 92595), (240, 86422), (280, 74076), (336, 61730), (420, 49384), (480, 43211), (560, 37038), (672, 30865), (840, 24692), (1120, 18519), (1680, 12346), (3360, 6173)]