20254416

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4637}}^1$

素因数の和:4668

約数の個数: 80

約数和(自身を含む): 64412544

約数和(自身を除く): 44158128

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 52, 56, 78, 84, 91, 104, 112, 156, 168, 182, 208, 273, 312, 336, 364, 546, 624, 728, 1092, 1456, 2184, 4368, 4637, 9274, 13911, 18548, 27822, 32459, 37096, 55644, 60281, 64918, 74192, 97377, 111288, 120562, 129836, 180843, 194754, 222576, 241124, 259672, 361686, 389508, 421967, 482248, 519344, 723372, 779016, 843934, 964496, 1265901, 1446744, 1558032, 1687868, 2531802, 2893488, 3375736, 5063604, 6751472, 10127208, 20254416]

約数ペア:

[(1, 20254416), (2, 10127208), (3, 6751472), (4, 5063604), (6, 3375736), (7, 2893488), (8, 2531802), (12, 1687868), (13, 1558032), (14, 1446744), (16, 1265901), (21, 964496), (24, 843934), (26, 779016), (28, 723372), (39, 519344), (42, 482248), (48, 421967), (52, 389508), (56, 361686), (78, 259672), (84, 241124), (91, 222576), (104, 194754), (112, 180843), (156, 129836), (168, 120562), (182, 111288), (208, 97377), (273, 74192), (312, 64918), (336, 60281), (364, 55644), (546, 37096), (624, 32459), (728, 27822), (1092, 18548), (1456, 13911), (2184, 9274), (4368, 4637)]