20605280228

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{317}}^1\times {\mathrm{15823}}^1$

素因数の和:16236

約数の個数: 48

約数和(自身を含む): 39451130880

約数和(自身を除く): 18845850652

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 316, 317, 634, 1027, 1268, 2054, 4108, 4121, 8242, 15823, 16484, 25043, 31646, 50086, 63292, 100172, 205699, 325559, 411398, 651118, 822796, 1250017, 1302236, 2500034, 5000068, 5015891, 10031782, 16250221, 20063564, 32500442, 65000884, 65206583, 130413166, 260826332, 396255389, 792510778, 1585021556, 5151320057, 10302640114, 20605280228]

約数ペア:

[(1, 20605280228), (2, 10302640114), (4, 5151320057), (13, 1585021556), (26, 792510778), (52, 396255389), (79, 260826332), (158, 130413166), (316, 65206583), (317, 65000884), (634, 32500442), (1027, 20063564), (1268, 16250221), (2054, 10031782), (4108, 5015891), (4121, 5000068), (8242, 2500034), (15823, 1302236), (16484, 1250017), (25043, 822796), (31646, 651118), (50086, 411398), (63292, 325559), (100172, 205699)]