20173456791

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{239}}^1\times {\mathrm{17729}}^1$

素因数の和:18020

約数の個数: 36

約数和(自身を含む): 30590632800

約数和(自身を除く): 10417176009

約数列:

[1, 3, 9, 23, 69, 207, 239, 529, 717, 1587, 2151, 4761, 5497, 16491, 17729, 49473, 53187, 126431, 159561, 379293, 407767, 1137879, 1223301, 3669903, 4237231, 9378641, 12711693, 28135923, 38135079, 84407769, 97456313, 292368939, 877106817, 2241495199, 6724485597, 20173456791]

約数ペア:

[(1, 20173456791), (3, 6724485597), (9, 2241495199), (23, 877106817), (69, 292368939), (207, 97456313), (239, 84407769), (529, 38135079), (717, 28135923), (1587, 12711693), (2151, 9378641), (4761, 4237231), (5497, 3669903), (16491, 1223301), (17729, 1137879), (49473, 407767), (53187, 379293), (126431, 159561)]