20453415068

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{80173}}^1$

素因数の和:80306

約数の個数: 48

約数和(自身を含む): 38791388160

約数和(自身を除く): 18337973092

約数列:

[1, 2, 4, 23, 46, 47, 59, 92, 94, 118, 188, 236, 1081, 1357, 2162, 2714, 2773, 4324, 5428, 5546, 11092, 63779, 80173, 127558, 160346, 255116, 320692, 1843979, 3687958, 3768131, 4730207, 7375916, 7536262, 9460414, 15072524, 18920828, 86667013, 108794761, 173334026, 217589522, 222319729, 346668052, 435179044, 444639458, 889278916, 5113353767, 10226707534, 20453415068]

約数ペア:

[(1, 20453415068), (2, 10226707534), (4, 5113353767), (23, 889278916), (46, 444639458), (47, 435179044), (59, 346668052), (92, 222319729), (94, 217589522), (118, 173334026), (188, 108794761), (236, 86667013), (1081, 18920828), (1357, 15072524), (2162, 9460414), (2714, 7536262), (2773, 7375916), (4324, 4730207), (5428, 3768131), (5546, 3687958), (11092, 1843979), (63779, 320692), (80173, 255116), (127558, 160346)]