20512142658

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{26993}}^1$

素因数の和:27208

約数の個数: 96

約数和(自身を含む): 52486701696

約数和(自身を除く): 31974559038

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 37, 42, 63, 74, 111, 126, 163, 222, 259, 326, 333, 489, 518, 666, 777, 978, 1141, 1467, 1554, 2282, 2331, 2934, 3423, 4662, 6031, 6846, 10269, 12062, 18093, 20538, 26993, 36186, 42217, 53986, 54279, 80979, 84434, 108558, 126651, 161958, 188951, 242937, 253302, 377902, 379953, 485874, 566853, 759906, 998741, 1133706, 1700559, 1997482, 2996223, 3401118, 4399859, 5992446, 6991187, 8799718, 8988669, 13199577, 13982374, 17977338, 20973561, 26399154, 30799013, 39598731, 41947122, 61598026, 62920683, 79197462, 92397039, 125841366, 162794783, 184794078, 277191117, 325589566, 488384349, 554382234, 976768698, 1139563481, 1465153047, 2279126962, 2930306094, 3418690443, 6837380886, 10256071329, 20512142658]

約数ペア:

[(1, 20512142658), (2, 10256071329), (3, 6837380886), (6, 3418690443), (7, 2930306094), (9, 2279126962), (14, 1465153047), (18, 1139563481), (21, 976768698), (37, 554382234), (42, 488384349), (63, 325589566), (74, 277191117), (111, 184794078), (126, 162794783), (163, 125841366), (222, 92397039), (259, 79197462), (326, 62920683), (333, 61598026), (489, 41947122), (518, 39598731), (666, 30799013), (777, 26399154), (978, 20973561), (1141, 17977338), (1467, 13982374), (1554, 13199577), (2282, 8988669), (2331, 8799718), (2934, 6991187), (3423, 5992446), (4662, 4399859), (6031, 3401118), (6846, 2996223), (10269, 1997482), (12062, 1700559), (18093, 1133706), (20538, 998741), (26993, 759906), (36186, 566853), (42217, 485874), (53986, 379953), (54279, 377902), (80979, 253302), (84434, 242937), (108558, 188951), (126651, 161958)]