20074440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1277}}^1$

素因数の和:1422

約数の個数: 64

約数和(自身を含む): 60730560

約数和(自身を除く): 40656120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 131, 262, 393, 524, 655, 786, 1048, 1277, 1310, 1572, 1965, 2554, 2620, 3144, 3831, 3930, 5108, 5240, 6385, 7662, 7860, 10216, 12770, 15324, 15720, 19155, 25540, 30648, 38310, 51080, 76620, 153240, 167287, 334574, 501861, 669148, 836435, 1003722, 1338296, 1672870, 2007444, 2509305, 3345740, 4014888, 5018610, 6691480, 10037220, 20074440]

約数ペア:

[(1, 20074440), (2, 10037220), (3, 6691480), (4, 5018610), (5, 4014888), (6, 3345740), (8, 2509305), (10, 2007444), (12, 1672870), (15, 1338296), (20, 1003722), (24, 836435), (30, 669148), (40, 501861), (60, 334574), (120, 167287), (131, 153240), (262, 76620), (393, 51080), (524, 38310), (655, 30648), (786, 25540), (1048, 19155), (1277, 15720), (1310, 15324), (1572, 12770), (1965, 10216), (2554, 7860), (2620, 7662), (3144, 6385), (3831, 5240), (3930, 5108)]