20199521679

素因数分解:

$3^1\times {\mathrm{23}}^2\times {\mathrm{47}}^1\times {\mathrm{227}}^1\times {\mathrm{1193}}^1$

素因数の和:1516

約数の個数: 48

約数和(自身を含む): 28904504832

約数和(自身を除く): 8704983153

約数列:

[1, 3, 23, 47, 69, 141, 227, 529, 681, 1081, 1193, 1587, 3243, 3579, 5221, 10669, 15663, 24863, 27439, 32007, 56071, 74589, 82317, 120083, 168213, 245387, 270811, 360249, 631097, 736161, 812433, 1289633, 1893291, 3868899, 5643901, 6228653, 12728117, 16931703, 18685959, 29661559, 38184351, 88984677, 143259019, 292746691, 429777057, 878240073, 6733173893, 20199521679]

約数ペア:

[(1, 20199521679), (3, 6733173893), (23, 878240073), (47, 429777057), (69, 292746691), (141, 143259019), (227, 88984677), (529, 38184351), (681, 29661559), (1081, 18685959), (1193, 16931703), (1587, 12728117), (3243, 6228653), (3579, 5643901), (5221, 3868899), (10669, 1893291), (15663, 1289633), (24863, 812433), (27439, 736161), (32007, 631097), (56071, 360249), (74589, 270811), (82317, 245387), (120083, 168213)]