20199231324

素因数分解:

$2^2\times 3^2\times {\mathrm{467}}^1\times {\mathrm{491}}^1\times {\mathrm{2447}}^1$

素因数の和:3415

約数の個数: 72

約数和(自身を含む): 51293668608

約数和(自身を除く): 31094437284

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 467, 491, 934, 982, 1401, 1473, 1868, 1964, 2447, 2802, 2946, 4203, 4419, 4894, 5604, 5892, 7341, 8406, 8838, 9788, 14682, 16812, 17676, 22023, 29364, 44046, 88092, 229297, 458594, 687891, 917188, 1142749, 1201477, 1375782, 2063673, 2285498, 2402954, 2751564, 3428247, 3604431, 4127346, 4570996, 4805908, 6856494, 7208862, 8254692, 10284741, 10813293, 13712988, 14417724, 20569482, 21626586, 41138964, 43253172, 561089759, 1122179518, 1683269277, 2244359036, 3366538554, 5049807831, 6733077108, 10099615662, 20199231324]

約数ペア:

[(1, 20199231324), (2, 10099615662), (3, 6733077108), (4, 5049807831), (6, 3366538554), (9, 2244359036), (12, 1683269277), (18, 1122179518), (36, 561089759), (467, 43253172), (491, 41138964), (934, 21626586), (982, 20569482), (1401, 14417724), (1473, 13712988), (1868, 10813293), (1964, 10284741), (2447, 8254692), (2802, 7208862), (2946, 6856494), (4203, 4805908), (4419, 4570996), (4894, 4127346), (5604, 3604431), (5892, 3428247), (7341, 2751564), (8406, 2402954), (8838, 2285498), (9788, 2063673), (14682, 1375782), (16812, 1201477), (17676, 1142749), (22023, 917188), (29364, 687891), (44046, 458594), (88092, 229297)]