20154881152

素因数分解:

$2^7\times 7^1\times {\mathrm{2719}}^1\times {\mathrm{8273}}^1$

素因数の和:11013

約数の個数: 64

約数和(自身を含む): 45910771200

約数和(自身を除く): 25755890048

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 2719, 5438, 8273, 10876, 16546, 19033, 21752, 33092, 38066, 43504, 57911, 66184, 76132, 87008, 115822, 132368, 152264, 174016, 231644, 264736, 304528, 348032, 463288, 529472, 609056, 926576, 1058944, 1218112, 1853152, 2436224, 3706304, 7412608, 22494287, 44988574, 89977148, 157460009, 179954296, 314920018, 359908592, 629840036, 719817184, 1259680072, 1439634368, 2519360144, 2879268736, 5038720288, 10077440576, 20154881152]

約数ペア:

[(1, 20154881152), (2, 10077440576), (4, 5038720288), (7, 2879268736), (8, 2519360144), (14, 1439634368), (16, 1259680072), (28, 719817184), (32, 629840036), (56, 359908592), (64, 314920018), (112, 179954296), (128, 157460009), (224, 89977148), (448, 44988574), (896, 22494287), (2719, 7412608), (5438, 3706304), (8273, 2436224), (10876, 1853152), (16546, 1218112), (19033, 1058944), (21752, 926576), (33092, 609056), (38066, 529472), (43504, 463288), (57911, 348032), (66184, 304528), (76132, 264736), (87008, 231644), (115822, 174016), (132368, 152264)]