20001632975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{647}}^1\times {\mathrm{1759}}^1$

素因数の和:2472

約数の個数: 48

約数和(自身を含む): 26869708800

約数和(自身を除く): 6868075825

約数列:

[1, 5, 19, 25, 37, 95, 185, 475, 647, 703, 925, 1759, 3235, 3515, 8795, 12293, 16175, 17575, 23939, 33421, 43975, 61465, 65083, 119695, 167105, 307325, 325415, 454841, 598475, 835525, 1138073, 1236577, 1627075, 2274205, 5690365, 6182885, 11371025, 21623387, 28451825, 30914425, 42108701, 108116935, 210543505, 540584675, 800065319, 1052717525, 4000326595, 20001632975]

約数ペア:

[(1, 20001632975), (5, 4000326595), (19, 1052717525), (25, 800065319), (37, 540584675), (95, 210543505), (185, 108116935), (475, 42108701), (647, 30914425), (703, 28451825), (925, 21623387), (1759, 11371025), (3235, 6182885), (3515, 5690365), (8795, 2274205), (12293, 1627075), (16175, 1236577), (17575, 1138073), (23939, 835525), (33421, 598475), (43975, 454841), (61465, 325415), (65083, 307325), (119695, 167105)]