20798064145

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{62497}}^1$

素因数の和:62665

約数の個数: 32

約数和(自身を含む): 27359124480

約数和(自身を除く): 6561060335

約数列:

[1, 5, 19, 31, 95, 113, 155, 565, 589, 2147, 2945, 3503, 10735, 17515, 62497, 66557, 312485, 332785, 1187443, 1937407, 5937215, 7062161, 9687035, 35310805, 36810733, 134181059, 184053665, 218926991, 670905295, 1094634955, 4159612829, 20798064145]

約数ペア:

[(1, 20798064145), (5, 4159612829), (19, 1094634955), (31, 670905295), (95, 218926991), (113, 184053665), (155, 134181059), (565, 36810733), (589, 35310805), (2147, 9687035), (2945, 7062161), (3503, 5937215), (10735, 1937407), (17515, 1187443), (62497, 332785), (66557, 312485)]