1999882020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{8053}}^1\times {\mathrm{4139}}^1$

素因数の和:12204

約数の個数: 48

約数和(自身を含む): 5601718080

約数和(自身を除く): 3601836060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 4139, 8053, 8278, 12417, 16106, 16556, 20695, 24159, 24834, 32212, 40265, 41390, 48318, 49668, 62085, 80530, 82780, 96636, 120795, 124170, 161060, 241590, 248340, 483180, 33331367, 66662734, 99994101, 133325468, 166656835, 199988202, 333313670, 399976404, 499970505, 666627340, 999941010, 1999882020]

約数ペア:

[(1, 1999882020), (2, 999941010), (3, 666627340), (4, 499970505), (5, 399976404), (6, 333313670), (10, 199988202), (12, 166656835), (15, 133325468), (20, 99994101), (30, 66662734), (60, 33331367), (4139, 483180), (8053, 248340), (8278, 241590), (12417, 161060), (16106, 124170), (16556, 120795), (20695, 96636), (24159, 82780), (24834, 80530), (32212, 62085), (40265, 49668), (41390, 48318)]