20209053488

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{27361}}^1$

素因数の和:27502

約数の個数: 80

約数和(自身を含む): 43605396576

約数和(自身を除く): 23396343088

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 53, 67, 104, 106, 134, 208, 212, 268, 424, 536, 689, 848, 871, 1072, 1378, 1742, 2756, 3484, 3551, 5512, 6968, 7102, 11024, 13936, 14204, 27361, 28408, 46163, 54722, 56816, 92326, 109444, 184652, 218888, 355693, 369304, 437776, 711386, 738608, 1422772, 1450133, 1833187, 2845544, 2900266, 3666374, 5691088, 5800532, 7332748, 11601064, 14665496, 18851729, 23202128, 23831431, 29330992, 37703458, 47662862, 75406916, 95325724, 97158911, 150813832, 190651448, 194317822, 301627664, 381302896, 388635644, 777271288, 1263065843, 1554542576, 2526131686, 5052263372, 10104526744, 20209053488]

約数ペア:

[(1, 20209053488), (2, 10104526744), (4, 5052263372), (8, 2526131686), (13, 1554542576), (16, 1263065843), (26, 777271288), (52, 388635644), (53, 381302896), (67, 301627664), (104, 194317822), (106, 190651448), (134, 150813832), (208, 97158911), (212, 95325724), (268, 75406916), (424, 47662862), (536, 37703458), (689, 29330992), (848, 23831431), (871, 23202128), (1072, 18851729), (1378, 14665496), (1742, 11601064), (2756, 7332748), (3484, 5800532), (3551, 5691088), (5512, 3666374), (6968, 2900266), (7102, 2845544), (11024, 1833187), (13936, 1450133), (14204, 1422772), (27361, 738608), (28408, 711386), (46163, 437776), (54722, 369304), (56816, 355693), (92326, 218888), (109444, 184652)]