20193238

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{997}}^1$

素因数の和:1072

約数の個数: 32

約数和(自身を含む): 35209440

約数和(自身を除く): 15016202

約数列:

[1, 2, 13, 19, 26, 38, 41, 82, 247, 494, 533, 779, 997, 1066, 1558, 1994, 10127, 12961, 18943, 20254, 25922, 37886, 40877, 81754, 246259, 492518, 531401, 776663, 1062802, 1553326, 10096619, 20193238]

約数ペア:

[(1, 20193238), (2, 10096619), (13, 1553326), (19, 1062802), (26, 776663), (38, 531401), (41, 492518), (82, 246259), (247, 81754), (494, 40877), (533, 37886), (779, 25922), (997, 20254), (1066, 18943), (1558, 12961), (1994, 10127)]