20189901578

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{953}}^1\times {\mathrm{2927}}^1$

素因数の和:3947

約数の個数: 64

約数和(自身を含む): 38614745088

約数和(自身を除く): 18424843510

約数列:

[1, 2, 7, 11, 14, 22, 47, 77, 94, 154, 329, 517, 658, 953, 1034, 1906, 2927, 3619, 5854, 6671, 7238, 10483, 13342, 20489, 20966, 32197, 40978, 44791, 64394, 73381, 89582, 137569, 146762, 225379, 275138, 313537, 450758, 492701, 627074, 962983, 985402, 1513259, 1925966, 2789431, 3026518, 3448907, 5578862, 6897814, 10592813, 19526017, 21185626, 30683741, 39052034, 61367482, 131103257, 214786187, 262206514, 429572374, 917722799, 1442135827, 1835445598, 2884271654, 10094950789, 20189901578]

約数ペア:

[(1, 20189901578), (2, 10094950789), (7, 2884271654), (11, 1835445598), (14, 1442135827), (22, 917722799), (47, 429572374), (77, 262206514), (94, 214786187), (154, 131103257), (329, 61367482), (517, 39052034), (658, 30683741), (953, 21185626), (1034, 19526017), (1906, 10592813), (2927, 6897814), (3619, 5578862), (5854, 3448907), (6671, 3026518), (7238, 2789431), (10483, 1925966), (13342, 1513259), (20489, 985402), (20966, 962983), (32197, 627074), (40978, 492701), (44791, 450758), (64394, 313537), (73381, 275138), (89582, 225379), (137569, 146762)]