20197079464

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{821}}^1\times {\mathrm{991}}^1$

素因数の和:1954

約数の個数: 64

約数和(自身を含む): 39629606400

約数和(自身を除く): 19432526936

約数列:

[1, 2, 4, 8, 29, 58, 107, 116, 214, 232, 428, 821, 856, 991, 1642, 1982, 3103, 3284, 3964, 6206, 6568, 7928, 12412, 23809, 24824, 28739, 47618, 57478, 87847, 95236, 106037, 114956, 175694, 190472, 212074, 229912, 351388, 424148, 702776, 813611, 848296, 1627222, 2547563, 3075073, 3254444, 5095126, 6150146, 6508888, 10190252, 12300292, 20380504, 23594719, 24600584, 47189438, 87056377, 94378876, 174112754, 188757752, 348225508, 696451016, 2524634933, 5049269866, 10098539732, 20197079464]

約数ペア:

[(1, 20197079464), (2, 10098539732), (4, 5049269866), (8, 2524634933), (29, 696451016), (58, 348225508), (107, 188757752), (116, 174112754), (214, 94378876), (232, 87056377), (428, 47189438), (821, 24600584), (856, 23594719), (991, 20380504), (1642, 12300292), (1982, 10190252), (3103, 6508888), (3284, 6150146), (3964, 5095126), (6206, 3254444), (6568, 3075073), (7928, 2547563), (12412, 1627222), (23809, 848296), (24824, 813611), (28739, 702776), (47618, 424148), (57478, 351388), (87847, 229912), (95236, 212074), (106037, 190472), (114956, 175694)]