20871036119

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{487}}^1\times {\mathrm{2549}}^1$

素因数の和:3119

約数の個数: 32

約数和(自身を含む): 23653555200

約数和(自身を除く): 2782519081

約数列:

[1, 17, 23, 43, 391, 487, 731, 989, 2549, 8279, 11201, 16813, 20941, 43333, 58627, 109607, 190417, 355997, 481643, 996659, 1241363, 1863319, 2520961, 8187931, 21103171, 28551349, 42856337, 53378609, 485372933, 907436353, 1227708007, 20871036119]

約数ペア:

[(1, 20871036119), (17, 1227708007), (23, 907436353), (43, 485372933), (391, 53378609), (487, 42856337), (731, 28551349), (989, 21103171), (2549, 8187931), (8279, 2520961), (11201, 1863319), (16813, 1241363), (20941, 996659), (43333, 481643), (58627, 355997), (109607, 190417)]