20128030432

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{491}}^1\times {\mathrm{21001}}^1$

素因数の和:21563

約数の個数: 48

約数和(自身を含む): 40360635504

約数和(自身を除く): 20232605072

約数列:

[1, 2, 4, 8, 16, 32, 61, 122, 244, 488, 491, 976, 982, 1952, 1964, 3928, 7856, 15712, 21001, 29951, 42002, 59902, 84004, 119804, 168008, 239608, 336016, 479216, 672032, 958432, 1281061, 2562122, 5124244, 10248488, 10311491, 20496976, 20622982, 40993952, 41245964, 82491928, 164983856, 329967712, 629000951, 1258001902, 2516003804, 5032007608, 10064015216, 20128030432]

約数ペア:

[(1, 20128030432), (2, 10064015216), (4, 5032007608), (8, 2516003804), (16, 1258001902), (32, 629000951), (61, 329967712), (122, 164983856), (244, 82491928), (488, 41245964), (491, 40993952), (976, 20622982), (982, 20496976), (1952, 10311491), (1964, 10248488), (3928, 5124244), (7856, 2562122), (15712, 1281061), (21001, 958432), (29951, 672032), (42002, 479216), (59902, 336016), (84004, 239608), (119804, 168008)]