20238474360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{82633}}^1$

素因数の和:82817

約数の個数: 128

約数和(自身を含む): 65803106880

約数和(自身を除く): 45564632520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 157, 195, 260, 312, 314, 390, 471, 520, 628, 780, 785, 942, 1256, 1560, 1570, 1884, 2041, 2355, 3140, 3768, 4082, 4710, 6123, 6280, 8164, 9420, 10205, 12246, 16328, 18840, 20410, 24492, 30615, 40820, 48984, 61230, 81640, 82633, 122460, 165266, 244920, 247899, 330532, 413165, 495798, 661064, 826330, 991596, 1074229, 1239495, 1652660, 1983192, 2148458, 2478990, 3222687, 3305320, 4296916, 4957980, 5371145, 6445374, 8593832, 9915960, 10742290, 12890748, 12973381, 16113435, 21484580, 25781496, 25946762, 32226870, 38920143, 42969160, 51893524, 64453740, 64866905, 77840286, 103787048, 128907480, 129733810, 155680572, 168653953, 194600715, 259467620, 311361144, 337307906, 389201430, 505961859, 518935240, 674615812, 778402860, 843269765, 1011923718, 1349231624, 1556805720, 1686539530, 2023847436, 2529809295, 3373079060, 4047694872, 5059618590, 6746158120, 10119237180, 20238474360]

約数ペア:

[(1, 20238474360), (2, 10119237180), (3, 6746158120), (4, 5059618590), (5, 4047694872), (6, 3373079060), (8, 2529809295), (10, 2023847436), (12, 1686539530), (13, 1556805720), (15, 1349231624), (20, 1011923718), (24, 843269765), (26, 778402860), (30, 674615812), (39, 518935240), (40, 505961859), (52, 389201430), (60, 337307906), (65, 311361144), (78, 259467620), (104, 194600715), (120, 168653953), (130, 155680572), (156, 129733810), (157, 128907480), (195, 103787048), (260, 77840286), (312, 64866905), (314, 64453740), (390, 51893524), (471, 42969160), (520, 38920143), (628, 32226870), (780, 25946762), (785, 25781496), (942, 21484580), (1256, 16113435), (1560, 12973381), (1570, 12890748), (1884, 10742290), (2041, 9915960), (2355, 8593832), (3140, 6445374), (3768, 5371145), (4082, 4957980), (4710, 4296916), (6123, 3305320), (6280, 3222687), (8164, 2478990), (9420, 2148458), (10205, 1983192), (12246, 1652660), (16328, 1239495), (18840, 1074229), (20410, 991596), (24492, 826330), (30615, 661064), (40820, 495798), (48984, 413165), (61230, 330532), (81640, 247899), (82633, 244920), (122460, 165266)]