20197029710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{111211}}^1$

素因数の和:111369

約数の個数: 64

約数和(自身を含む): 43047051264

約数和(自身を除く): 22850021554

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 127, 130, 143, 254, 286, 635, 715, 1270, 1397, 1430, 1651, 2794, 3302, 6985, 8255, 13970, 16510, 18161, 36322, 90805, 111211, 181610, 222422, 556055, 1112110, 1223321, 1445743, 2446642, 2891486, 6116605, 7228715, 12233210, 14123797, 14457430, 15903173, 28247594, 31806346, 70618985, 79515865, 141237970, 155361767, 159031730, 183609361, 310723534, 367218722, 776808835, 918046805, 1553617670, 1836093610, 2019702971, 4039405942, 10098514855, 20197029710]

約数ペア:

[(1, 20197029710), (2, 10098514855), (5, 4039405942), (10, 2019702971), (11, 1836093610), (13, 1553617670), (22, 918046805), (26, 776808835), (55, 367218722), (65, 310723534), (110, 183609361), (127, 159031730), (130, 155361767), (143, 141237970), (254, 79515865), (286, 70618985), (635, 31806346), (715, 28247594), (1270, 15903173), (1397, 14457430), (1430, 14123797), (1651, 12233210), (2794, 7228715), (3302, 6116605), (6985, 2891486), (8255, 2446642), (13970, 1445743), (16510, 1223321), (18161, 1112110), (36322, 556055), (90805, 222422), (111211, 181610)]