20197980712

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3963497}}^1$

素因数の和:3963530

約数の個数: 48

約数和(自身を含む): 47443071060

約数和(自身を除く): 27245090348

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 182, 196, 364, 392, 637, 728, 1274, 2548, 5096, 3963497, 7926994, 15853988, 27744479, 31707976, 51525461, 55488958, 103050922, 110977916, 194211353, 206101844, 221955832, 360678227, 388422706, 412203688, 721356454, 776845412, 1442712908, 1553690824, 2524747589, 2885425816, 5049495178, 10098990356, 20197980712]

約数ペア:

[(1, 20197980712), (2, 10098990356), (4, 5049495178), (7, 2885425816), (8, 2524747589), (13, 1553690824), (14, 1442712908), (26, 776845412), (28, 721356454), (49, 412203688), (52, 388422706), (56, 360678227), (91, 221955832), (98, 206101844), (104, 194211353), (182, 110977916), (196, 103050922), (364, 55488958), (392, 51525461), (637, 31707976), (728, 27744479), (1274, 15853988), (2548, 7926994), (5096, 3963497)]