20199787790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{331307}}^1$

素因数の和:331401

約数の個数: 64

約数和(自身を含む): 45418351104

約数和(自身を除く): 25218563314

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 67, 70, 91, 130, 134, 182, 335, 455, 469, 670, 871, 910, 938, 1742, 2345, 4355, 4690, 6097, 8710, 12194, 30485, 60970, 331307, 662614, 1656535, 2319149, 3313070, 4306991, 4638298, 8613982, 11595745, 21534955, 22197569, 23191490, 30148937, 43069910, 44395138, 60297874, 110987845, 150744685, 155382983, 221975690, 288568397, 301489370, 310765966, 577136794, 776914915, 1442841985, 1553829830, 2019978779, 2885683970, 4039957558, 10099893895, 20199787790]

約数ペア:

[(1, 20199787790), (2, 10099893895), (5, 4039957558), (7, 2885683970), (10, 2019978779), (13, 1553829830), (14, 1442841985), (26, 776914915), (35, 577136794), (65, 310765966), (67, 301489370), (70, 288568397), (91, 221975690), (130, 155382983), (134, 150744685), (182, 110987845), (335, 60297874), (455, 44395138), (469, 43069910), (670, 30148937), (871, 23191490), (910, 22197569), (938, 21534955), (1742, 11595745), (2345, 8613982), (4355, 4638298), (4690, 4306991), (6097, 3313070), (8710, 2319149), (12194, 1656535), (30485, 662614), (60970, 331307)]